>>96074036
1. There isn't a deeper meaning. He just wanted to be male the same reason he got up one day and said "I want to have children."
2. It's assumed Omnighul was his baby mama and gave birth to his multiple daughters. That said, Thrall, Acolytes, and Knights can be either gender. Although Nocris is imagined like a male "wizard" because he sure as hell isn't a Knight like his brother Crota.

3. As for the Larvae, they will most likely never grow into Worm Gods and would likely be killed or eaten by the existing ones anyway. And as for the ones killed by their worm? Aside from generally being against their beliefs, they would not and cannot be revived (unless you're Savathun and gained the light after having your worm removed.)

Also, Mynameisbyf is a good lore content creator to catch up on stuff.