So, this game, has a pretty clear goal from the start. I'm sorry if you didn't get it, but it is pretty clear.
That goal is: Impregnating Gilford.
Sure, MoonBox gives us the option to refuse many of the girls. If you go that route, only the Magnificent 7 will be pregnant. Those are out of your options.
When the game hit the middle point, around the end of Part 4, the second stage was engaged fully. Each of the 7 WILL be pregnant. If you have decided so, the secondary Harems will also ALL be pregnant. This is the second part of the game.
Now, you apparently have a problem with that. I wish I could tell you differently, but, "the pregnancy fetish" is here to stay and it is the main goal of the game.
Do with that what you can.
Peace