Moms with more than 1

Stephanie👑 • 36 old mama to 3 gorgeous princesses, hoping to get hubby on board for number 4!
I've read recently that their older kids "knew" they were pregnant. Does anyone have experience with this?? AF is due one week from today. My daughter is usually pretty independent but lately she has been super clingy. I've tested twice, BFN, clearly too early but I can't help myself.