Go ahead and click your bed and select woohoo with your partner. After you have done some romantic things it’s time for the woohoo stuff. Once you are in your game just go ahead and do a little romantic conversation with your sims character to engage them for a riskier woohoo. This mod is easier to install than the rest of the mod, there are no pre or post-requirements.
You can try WooHoo but your chances of baby are always random and depend on various factors. By using this mod, you can get unexpected pregnancy, control it, or terminate it. To give you a chance to actually get pregnant without even wanting it. The risky woohoo mod replaces the regular woohoo interaction in the game.