The best opportunity to rub her belly and make out with her in the bed in the background (same as above).

   

Almost half a century old book, it didn't have home pregnancy tests and counted pregnancy by months, not weeks (it has been revised many times).

Don't mind if I contribute

Thanx...we have waifu mamas reproduce like rabbits. I'm reminded of Mai Sakurajima of Bunny Girl Senpai right there.

   

This is another cute and clean image of family togetherness anticipating the arrival of a baby.

   

To Lose weight (or gain muscle)...

   

and still have to gain weight (Looking beautifully big, baby mama).

From KPhoria's vid artwork but based on pregnancy instead of vore.