The Ultimate Sims 4 Pregnancy Mod Guide (January 2026)

Pregnancy in The Sims 4 offers a unique gameplay experience, but many players find the base game mechanics lacking depth and realism. Pregnancy mods transform this fundamental life stage into a rich, immersive experience with customizable options, realistic symptoms, and enhanced storytelling possibilities. Whether you’re looking to extend pregnancy duration, add realistic symptoms, or gain more control over your Sim’s reproductive journey, pregnancy mods offer endless possibilities to enhance your gameplay. In this comprehensive guide, we’ll explore every aspect of pregnancy mods for Sims 4, from installation to advanced configuration, troubleshooting common issues, and discovering the best mods available in 2026. This definitive resource covers everything you need to know to transform your Sims’ pregnancy experience from basic to extraordinary.

Understanding Pregnancy Mods in Sims 4

Pregnancy mods are custom content modifications that alter or expand upon the default pregnancy mechanics in The Sims 4. These modifications range from simple adjustments like changing pregnancy duration to complete overhauls that introduce new gameplay elements, interactions, and visual enhancements.

The base game pregnancy experience in Sims 4 follows a predictable three-trimester pattern with limited symptoms and interactions. While functional, many players find this system lacks the depth and realism they desire for their storytelling. Pregnancy mods address these limitations by introducing:

• Extended pregnancy durations with customizable trimester lengths
• Realistic pregnancy symptoms including morning sickness, cravings, and mood swings
• New pregnancy-related interactions and social options
• Enhanced medical care options including doctor visits and ultrasounds
• Pregnancy complications and risk factors
• Multiple pregnancy options with realistic chances
• Gender selection options
• Postpartum experiences and recovery periods

The appeal of pregnancy mods extends beyond just adding realism—they provide players with greater narrative control and storytelling opportunities. Whether you’re creating a legacy family, documenting a pregnancy story, or simply want more depth to this life stage, pregnancy mods offer the tools to customize the experience to your preferences.

Top Pregnancy Mods for Sims 4

MC Command Center (MCCC)

MC Command Center by Deaderpool is arguably the most comprehensive mod for Sims 4, with extensive pregnancy features that transform how pregnancy works in your game. This mod is a must-have for players who want maximum control over their Sims’ reproductive lives.

Key Pregnancy Features:

• Pregnancy duration customization (from 1 to 60 days)
• Multiple pregnancy settings (up to quadruplets)
• Pregnancy termination options
• Pregnancy risk percentage control
• Same-sex pregnancy options
• Pregnancy speed controls
• Automatic pregnancy for inactive households
• Pregnancy clothing management

Download: MC Command Center Official Page

Compatibility: Works with all expansion packs and most other mods. Updated regularly to match game patches.

System Requirements: Base game compatible, but some features require specific expansion packs.

WickedWhims

While primarily known as an adult mod, WickedWhims by TURBODRIVER includes sophisticated pregnancy mechanics that many players use specifically for its enhanced pregnancy features.

Key Pregnancy Features:

• Realistic fertility cycles
• Menstrual cycle system
• Advanced pregnancy progression
• Custom pregnancy moodlets
• Pregnancy test accuracy settings
• DNA inheritance system
• Pregnancy complications
• Custom birth animations

Download: WickedWhims Official Website

Compatibility: Requires specific game version compatibility. Check website for current patch compatibility.

System Requirements: Base game compatible but works best with certain expansion packs.

Pregnancy Mega Mod

Pregnancy Mega Mod by AgonistAgent is dedicated exclusively to enhancing pregnancy gameplay, offering the most comprehensive pregnancy-specific modifications available.

Key Pregnancy Features:

• Adjustable pregnancy duration (up to 42 days)
• Multiple pregnancy options (up to quintuplets)
• Pregnancy scan options revealing baby count and gender
• Pregnancy symptoms management
• Custom pregnancy clothing
• Pregnancy moodlet customization
• Birth location options
• Pregnancy termination options
• Nanny and daycare services

Download: Pregnancy Mega Mod on ModTheSims

Compatibility: Compatible with most expansion packs but may conflict with other pregnancy mods.

System Requirements: Base game compatible with enhanced features from specific expansion packs.

Slice of Life

Slice of Life by Kawaiistacie is a comprehensive realism mod that includes significant pregnancy enhancements as part of its broader life simulation improvements.

Key Pregnancy Features:

• Realistic pregnancy symptoms
• Morning sickness and cravings
• Pregnancy mood swings
• Weight gain during pregnancy
• Postpartum depression
• Baby showers
• Pregnancy announcements
• Doctor appointments
• Realistic postpartum recovery

Download: Slice of Life Official Website

Compatibility: Works with most expansion packs and other mods, though some features may require specific packs.

System Requirements: Base game compatible with enhanced features from expansion packs.

Realistic Pregnancy Mod

Realistic Pregnancy Mod by Scumbumbo focuses specifically on creating a more authentic pregnancy experience with medically accurate symptoms and progression.

Key Pregnancy Features:

• Medically accurate pregnancy symptoms
• Trimester-specific symptoms
• Pregnancy complications
• Doctor visit interactions
• Prescription medications
• Hospitalization options
• Realistic labor progression
• Postpartum recovery period

Download: Realistic Pregnancy Mod on ModTheSims

Compatibility: Compatible with most expansion packs but may conflict with other pregnancy mods.

System Requirements: Base game compatible with enhanced features from specific expansion packs.

Ultrasound Mod

Ultrasound Mod by LittleMsSam adds realistic medical imaging to your Sims’ pregnancy experience, allowing for deeper immersion and storytelling opportunities.

Key Pregnancy Features:

• Ultrasound interactions
• Gender reveal options
• Baby count determination
• Ultrasound pictures for wall display
• Doctor appointment scheduling
• Pregnancy scan results
• Baby health information

Download: LittleMsSam’s Ultrasound Mod

Compatibility: Works with most pregnancy mods and expansion packs.

System Requirements: Base game compatible with enhanced features from specific expansion packs.

Relationship & Pregnancy Overhaul

Relationship & Pregnancy Overhaul by PolarBearSims focuses on creating more realistic relationship dynamics and pregnancy experiences within your Sims’ lives.

Key Pregnancy Features:

• Realistic fertility rates
• Relationship-based pregnancy chances
• Infertility options
• Pregnancy complications
• Miscarriage mechanics
• Adoption system overhaul
• Surrogacy options
• Teen pregnancy options

Download: Relationship & Pregnancy Overhaul on ModTheSims

Compatibility: Compatible with most expansion packs but may conflict with other relationship or pregnancy mods.

System Requirements: Base game compatible with enhanced features from specific expansion packs.

Installation Guide

Preparing Your Game

Before installing any pregnancy mods, it’s essential to prepare your game properly to avoid conflicts and ensure smooth operation:

1. Update Your Game: Ensure your Sims 4 game is updated to the latest version. Mods are often created for specific game versions, and using outdated game versions can cause conflicts.
2. Enable Mods in Game Settings:

• Launch Sims 4
• Go to Game Options > Other
• Check “Enable Custom Content and Mods”
• Check “Script Mods Allowed”
• Exit and restart the game

1. Create a Mods Folder: If you don’t already have one, create a “Mods” folder in your Sims 4 directory (Documents > Electronic Arts > The Sims 4 > Mods).
2. Backup Your Saves: Always backup your save files before installing new mods. Copy the “saves” folder from your Sims 4 directory to a safe location.

Where to Download Mods Safely?

Downloading mods from reputable sources is crucial to avoid malware and ensure compatibility:

• ModTheSims: One of the oldest and most reputable modding communities
• Tumblr: Many mod creators use Tumblr to share their work
• Patreon: Some creators offer early access to mods through Patreon
• LoversLab: For adult-oriented mods like WickedWhims
• Creator Websites: Many mod creators maintain personal websites

Always download from the original creator’s page rather than reupload sites to ensure you’re getting the most recent version and supporting the creator.

Step-by-Step Installation Process

1. Download the Mod: Click the download link and save the file to your computer.
2. Extract the Files: Most mods come in compressed .zip or .rar files. Use a program like WinRAR or 7-Zip to extract the contents.
3. Identify File Types: Mods come in two main formats:

• Package files (.package): These go directly into your Mods folder
• Script files (.ts4script): These also go in your Mods folder but must not be placed in subfolders more than one level deep

1. Organize Your Mods: Create subfolders within your Mods folder to organize your mods by category. For example:

• Mods > Pregnancy > MC Command Center
• Mods > Pregnancy > Slice of Life

1. Place the Files: Move the extracted .package and .ts4script files to the appropriate folder in your Mods directory.
2. Check for Additional Requirements: Some mods require additional files or have specific installation instructions. Always read the creator’s installation notes.
3. Delete localthumbcache: After installing new mods, delete the localthumbcache.package file from your Sims 4 directory to ensure the new content loads properly.
4. Test the Game: Launch Sims 4 and test the mods to ensure they’re working correctly.

Configuration Options

Pregnancy Duration Settings

Most pregnancy mods allow you to customize the length of your Sims’ pregnancies, offering more realistic or gameplay-friendly options:

• Standard Duration: The default Sims 4 pregnancy lasts 3 days (72 hours)
• Extended Duration: Many players prefer longer pregnancies for more storytelling opportunities
• Realistic Duration: Some mods offer 9-month equivalent durations (typically 18-21 days)
• Custom Duration: Advanced mods allow you to set specific durations for each trimester

Configuration Example (MC Command Center):

Pregnancy > Pregnancy Duration > Sim Days
- First Trimester: 7 days
- Second Trimester: 7 days
- Third Trimester: 7 days

Gender Selection Options

Many pregnancy mods offer various methods for influencing or determining baby gender:

• Natural Methods: In-game actions that influence gender (eating specific foods, listening to certain music)
• Medical Options: In-game medical procedures to determine or select gender
• Cheats Options: Direct control over baby gender through mod settings
• Randomization: Weighted randomization based on various factors

Multiple Pregnancy Settings

For players interested in larger families, many pregnancy mods offer multiple pregnancy options:

• Twins: Standard option with increased chances through specific actions
• Triplets: Rare option requiring specific conditions or cheats
• Higher Multiples: Some mods allow for quadruplets or more
• Fertility Treatments: In-game options to increase chances of multiples
• Genetic Factors: Some mods consider family history for multiple pregnancies

Pregnancy Complications

Realistic pregnancy mods often include complications that add depth and challenge to gameplay:

• Morning Sickness: Ranging from mild to severe
• Gestational Diabetes: Affecting mood and energy
• Preeclampsia: Requiring medical intervention
• Miscarriage: Some mods include this realistic but sensitive option
• Premature Birth: Affecting baby’s initial health
• Breech Position: Requiring special delivery options

Labor and Delivery Options

Enhanced labor and delivery mechanics add realism and variety to the birth experience:

• Hospital Births: More detailed hospital experiences
• Home Births: Options for delivering at home with or without medical assistance
• Water Births: Alternative delivery method
• C-Sections: Surgical delivery options for complications
• Birth Partners: Options for who attends the birth
• Labor Duration: Customizable length of labor process

Compatibility Information

Expansion Pack Compatibility

Most pregnancy mods are designed to work with the base game but may have enhanced features when specific expansion packs are installed:

• Get to Work: Enhances hospital-related pregnancy features
• City Living: May affect apartment living with newborns
• Cats & Dogs: Can affect pet interactions with pregnant Sims
• Seasons: May introduce seasonal pregnancy variations
• Get Famous: Can affect celebrity pregnancies
• Island Living: May introduce unique location-based pregnancy features
• Discover University: May affect young adult pregnancy experiences
• Eco Lifestyle: May affect sustainable pregnancy options
• Snowy Escape: May introduce unique location-based pregnancy features
• Cottage Living: May enhance rural pregnancy experiences
• High School Years: May affect teen pregnancy features
• Growing Together: May enhance family pregnancy dynamics
• Horse Ranch: May affect pregnancy with animals on property

Other Mod Compatibility

Pregnancy mods can sometimes conflict with other types of mods, especially those that modify similar game mechanics:

• Relationship Mods: May conflict with pregnancy mods that alter relationship dynamics
• Lifespan Mods: May affect pregnancy duration settings
• Career Mods: May affect maternity leave options
• Medical Mods: May conflict with pregnancy medical features
• Animation Mods: May affect pregnancy-related animations
• Appearance Mods: May affect pregnancy body changes

Common Conflicts and Solutions:

• MC Command Center vs. Other Pregnancy Mods: Use MCCC’s pregnancy settings or other pregnancy mods, but not both
• WickedWhims vs. Other Pregnancy Mods: WickedWhims has its own pregnancy system that may conflict
• UI Cheats Extension vs. Pregnancy Cheats: May cause duplicate options or conflicts
• Slice of Life vs. Other Realism Mods: May have overlapping features

Known Conflicts and Solutions

Mod Combination	Conflict Type	Solution
MC Command Center + Pregnancy Mega Mod	Duplicate pregnancy controls	Use MCCC for general settings, disable pregnancy features in one mod
WickedWhims + Slice of Life	Overlapping pregnancy symptoms	Choose one mod for pregnancy management
Relationship & Pregnancy Overhaul + Other Relationship Mods	Conflicting relationship mechanics	Disable overlapping features in one mod
Ultrasound Mod + Other Medical Mods	Duplicate medical interactions	Choose one mod for medical features
Multiple Pregnancy Mods	Game instability	Use only one comprehensive pregnancy mod at a time

Troubleshooting

Common Issues and Fixes

Mod Not Working:

1. Check that mods are enabled in game settings
2. Verify you have the latest version of the mod
3. Ensure your game is updated to the required version
4. Check for conflicting mods
5. Reinstall the mod following creator instructions

Game Crashes:

1. Remove the most recently installed mods
2. Check for mod conflicts using the 50/50 method (remove half your mods, test, continue narrowing down)
3. Verify all mods are for your current game version
4. Check for broken CC using tools like Sims 4 Studio
5. Repair your game through Origin/Steam

Pregnancy Glitches:

1. Reset your Sim using the cheat: resetsim firstname lastname
2. Use MCCC to reset pregnancy settings
3. Check for outdated pregnancy mods
4. Delete localthumbcache.package file
5. Start a new save game to test if the issue persists

Installation Issues:

1. Verify files are in the correct folder structure
2. Check that script files aren’t buried too deep in subfolders
3. Ensure you’ve extracted compressed files properly
4. Verify you have the required framework for script mods
5. Check for antivirus software blocking mod files

Platform-Specific Issues

Windows PC:

• Run the game as administrator if mods aren’t loading
• Check Windows Defender isn’t blocking mod files
• Verify your Documents folder is in the default location

Mac:

• Check that mods are in the correct Mac directory
• Repair game permissions if mods aren’t loading
• Disable Gatekeeper if it’s blocking mod files

Console (PS4/Xbox):

• Note that most pregnancy mods are not available on console
• Limited mod support on console platforms
• Consider using built-in game pregnancy options instead

Updates and Patch Compatibility

How to Update Mods

Keeping your mods updated is essential for game stability and functionality:

1. Check Creator Websites: Regularly visit mod creators’ websites for updates
2. Join Creator Communities: Follow creators on social media or join their Discord servers
3. Use Mod Managers: Tools like Mod Manager for Sims 4 can help track updates
4. Version Check: Note the version number of your installed mods
5. Update Process: Remove old versions before installing new ones

Checking for Patch Compatibility

Game updates can break mods, so checking compatibility is crucial:

1. Patch Notes: Read official patch notes to identify changes that might affect mods
2. Creator Announcements: Check if creators have announced compatibility
3. Community Reports: Check modding communities for user reports
4. Test Carefully: Test updated mods in a separate save game first
5. Backup Saves: Always backup saves before updating mods after a patch

What to Do After Game Updates

When a new game patch is released:

1. Update Game: Install the latest game patch
2. Remove Mods: Temporarily remove all mods from your Mods folder
3. Test Game: Launch the game to ensure it runs properly without mods
4. Check Compatibility: Verify which mods are compatible with the new patch
5. Update Mods: Download and install updated versions of compatible mods
6. Reinstall Mods: Add mods back to your Mods folder
7. Delete Cache Files: Remove localthumbcache.package and other cache files
8. Test Game: Launch the game with mods and test functionality

Advanced Features

Custom Pregnancy Clothing

Many pregnancy mods include or are compatible with custom pregnancy clothing:

• Maternity Wear: Specialized clothing for pregnant Sims
• Formal Maternity: Pregnancy-appropriate formal wear
• Athletic Maternity: Pregnancy-friendly athletic wear
• Sleepwear: Comfortable pregnancy sleep options
• Seasonal Maternity: Weather-appropriate pregnancy clothing

Sources for Pregnancy CC:

• Tumblr creators specializing in maternity CC
• ModTheSims maternity clothing section
• Patreon creators with exclusive pregnancy CC
• Sims 4 Studio for creating your own pregnancy clothing

Pregnancy Animations

Enhanced animations add realism to pregnancy gameplay:

• Walking Animations: Pregnancy-appropriate movement styles
• Sitting Animations: Different sitting positions for pregnant Sims
• Sleeping Animations: Pregnancy-specific sleeping positions
• Interaction Animations: Special animations for pregnancy-related interactions
• Labor Animations: Realistic labor and delivery movements

Animation Sources:

• WickedWhims animation framework
• Custom animation creators on Tumblr
• LoversLab animation community
• Sims 4 Studio animation tools

Pregnancy Interactions

Enhanced pregnancy interactions add depth to gameplay:

• Doctor Appointments: Schedule and attend prenatal checkups
• Baby Showers: Plan and attend baby shower events
• Pregnancy Yoga: Special pregnancy exercise interactions
• Prenatal Classes: Educational pregnancy interactions
• Belly Painting: Creative pregnancy expression
• Partner Bonding: Special interactions for pregnant Sims and partners
• Sibling Preparation: Interactions to prepare existing children

Custom Pregnancy Moodlets

Enhanced moodlets add emotional depth to pregnancy:

• Trimester-Specific Moodlets: Different emotional experiences each trimester
• Symptom Moodlets: Moodlets related to pregnancy symptoms
• Relationship Moodlets: Emotional responses to pregnancy relationships
• Complication Moodlets: Emotional responses to pregnancy complications
• Anticipation Moodlets: Excitement and anxiety about upcoming birth

Community Resources

Where to Find Support

When you need help with pregnancy mods, these resources are invaluable:

• Mod Creator Pages: Most creators offer support through their websites
• ModTheSims Forums: Active community for mod support
• Reddit Communities: r/thesims and r/Sims4 for general help
• Discord Servers: Many creators have dedicated Discord servers
• Tumblr Support: Many creators offer support through their Tumblr blogs

Popular Creators

These creators are known for quality pregnancy-related content:

• Deaderpool: Creator of MC Command Center
• TURBODRIVER: Creator of WickedWhims
• Kawaiistacie: Creator of Slice of Life
• LittleMsSam: Creator of various pregnancy-enhancing mods
• AgonistAgent: Creator of Pregnancy Mega Mod
• PolarBearSims: Creator of Relationship & Pregnancy Overhaul

Forums and Communities

Join these communities to connect with other players who use pregnancy mods:

• ModTheSims: Largest Sims modding community
• SimsVIP: News and community for Sims players
• Carl’s Sims 4 Guide: Comprehensive gameplay guides
• Official EA Forums: Official support and community
• LoversLab: Adult modding community
• Tumblr Sims Community: Creative and modding community

FAQ Section

How do I enable pregnancy mods in Sims 4?

To enable pregnancy mods in Sims 4, first download and install the mod according to the creator’s instructions. Then, launch the game, go to Game Options > Other, and check both “Enable Custom Content and Mods” and “Script Mods Allowed.” Exit and restart the game to ensure the mods load properly. If the mods still don’t appear, try deleting the localthumbcache.package file from your Sims 4 directory.

Can pregnancy mods cause my game to crash?

Yes, outdated or conflicting pregnancy mods can cause game crashes. To prevent this, always use the latest version of mods compatible with your game version, avoid using multiple pregnancy mods with overlapping features, and regularly check for mod updates after game patches. If you experience crashes, try the 50/50 method (remove half your mods, test, continue narrowing down) to identify the problematic mod.

Are pregnancy mods available for console versions of Sims 4?

Unfortunately, most pregnancy mods are not available for console versions of Sims 4 (PS4, Xbox One) due to platform restrictions on custom content. Console players are limited to the base game pregnancy features and any official content released by EA in expansion packs.

How do I make my Sim’s pregnancy last longer?

To make your Sim’s pregnancy last longer, you’ll need a pregnancy mod like MC Command Center or Pregnancy Mega Mod. After installing, navigate to the mod’s pregnancy settings and adjust the pregnancy duration. Most mods allow you to set custom durations for each trimester, with options ranging from a few days to several weeks.

Can I have more than triplets in Sims 4 with mods?

Yes, with certain pregnancy mods like Pregnancy Mega Mod, you can have more than triplets. These mods typically allow up to quadruplets or quintuplets, though higher multiples may require specific conditions or cheats. Some mods also include fertility treatments that increase the chances of multiple pregnancies.

How do I know if my pregnancy mods are compatible with the latest game update?

To check if your pregnancy mods are compatible with the latest game update, visit the mod creator’s website or social media pages for compatibility announcements. You can also check modding communities like ModTheSims or Reddit’s r/thesims for community reports. When in doubt, remove all mods before updating your game, then add them back one by one to test for compatibility.

Can pregnancy mods affect my existing saves?

Pregnancy mods can affect existing saves, especially if they change fundamental pregnancy mechanics. While most mods are designed to work with existing saves, major changes to pregnancy duration or mechanics might affect currently pregnant Sims. Always backup your saves before installing new pregnancy mods, and test them in a new save game first if possible.

How do I uninstall pregnancy mods?

To uninstall pregnancy mods, simply remove the mod files from your Mods folder. It’s also recommended to delete the localthumbcache.package file from your Sims 4 directory. Note that uninstalling pregnancy mods while a Sim is pregnant may cause issues with that pregnancy, so it’s best to wait until after the birth or use the mod’s features to end the pregnancy before uninstalling.

Are pregnancy mods safe to download?

Pregnancy mods from reputable sources like ModTheSims, creator websites, or Tumblr are generally safe to download. However, always be cautious when downloading from unknown sites, and use antivirus software to scan downloaded files. Avoid reupload sites that might bundle mods with malware, and always download from the original creator’s page when possible.

Can I use multiple pregnancy mods at the same time?

Using multiple pregnancy mods at the same time is generally not recommended as they often conflict with each other. Most comprehensive pregnancy mods like MC Command Center or Pregnancy Mega Mod include all the features you would need. If you want to use multiple mods, look for ones that complement each other rather than overlap, and always test for conflicts before using them in your main save game.

Conclusion

This comprehensive guide covers everything you need to know about pregnancy mods for Sims 4 in 2026. From installation to advanced configuration, troubleshooting, and community resources, you now have all the information needed to enhance your Sims’ pregnancy experience. Remember to always backup your saves before installing new mods, keep your mods updated, and support the creators who make these amazing enhancements possible. Happy simming!