If the weight is lost before the moodlet expires, the sim's physique will return to its pre-pregnancy state. but the Spare.) warning that the change may linger. If above a certain weight threshold after the baby is born, there will be a moodlet (The Heir. Male Pregnancy (Extreme Anatomy): Along with the 'base' version of the trait, male sims will develop breasts during their second trimester.
These must be set in CAS (can be impregnated/use toilet standing) in order for the trait to work. Rather than using male/female as my test condition, I'm using pee standing up/can be impregnated, although many of the moodlets use he/him as pronouns. While the trait is called Male Pregnancy, I've done my best to make it transgender friendly. I've approached it from the standpoint of an advanced medical procedure that a male Sim has chosen to undergo. I've always felt the male pregnancy experience in the Sims 4 could be improved so this is my attempt at making the gameplay a little more challenging and unique.