Why are games about impregnating girls so rare? I'm not talking about games where you play as the girl getting impregnated, but rather the ones where you choose a girl, look if she's ovulating at the time and put a baby in her. And then, once she gives birth, you do it again as soon as you can.

You'd think this would have as much representation on the market as genres like NTR, considering how common of a fetish (and even human instinct) it is.

Let's discuss pregnancy mechanics and pregnancy-focused games. What (male MC, preferably) games do it best? What's the best one you've played? Text-based, 3D, 2D, anything goes.

Pic only slightly related. It has a repeatable pregnancy system and randomly generated girls, which is pretty cool. It also has childbirth, but lacks any sort of fertility system and pregnancy progression, and the girls barely react to the fact you've put a baby in them.