Congratulations!
I took 6 weeks off and all of my families returned. Phew! I found what made it easier for them and me was to make all of my appointments with my doctor at the same time on the same day of the week. So I sent the schedule to them by email when I was about 15 weeks pregnant, and then they could make arrangements to pick up early or agree to leave their child in the care of my husband. My blood work and ultrasound appointments were always on Saturdays to limit the amount of time I had to take off. I wouldn't ask your families for too much input just incase they have opposing views and then you're left disagreeing with someone. I hope that makes sense
Having a baby is wonderful so don't apologize for that. The more time you can take off, the better. Your body and your baby deserve a bit of downtown as you all adjust. If possible! Good luck.