If you play with the WW fertility cycle and you try for baby, it won't break your game, it'll just make your sim pregnant, that's it. Just don't mix the two mods either by ignoring or disabling certain functions and you'll be good. Sometimes I have EA/MCCC sex interactions (aka woohoo and try for baby) disabled (you can do that in WW under sex settings), other times I leave them on so I'll know when my sims wish to have a baby (I only try for baby/have sex without contraception when both sims want to have a baby). NSFW If you’re looking to add realistic sex, drugs, and violence to The Sims 4, this guide will help you find what you need to turn your game into a fun new experience. WARNING This Guide Contains Nudity And Sexual Interactions. I ignore the MCCC birth control option (it only pops up when sims are flirty anyway, so it's not a problem, you should be able to disable it somewhere in the 'MCCC woohooer settings) and only use WW birth control. ULTIMATE GUIDE TO MUST HAVE ADULT MODS THE SIMS 4. All you need to do is keep those two apart. (it can work with both base game woohoo or WW) All my Custom Traits Packs are compatible with any other mods. Compatible with WonderfulWhims, WickedWhims, and all other romantic/NSFW mods Base-game compatible. MCCC birth control won't prevent WW sex pregnancy, WW birth control won't prevent try for baby pregnancy. This mini-pack works for both Base Game and WW. You should use either EA/MCCC woohoo/try for baby/birth control options or WW sex/birth control options.