Pregnant the same time as a family member or friend

Tracy • 27 Mommy to Taya 💗 10-24-16 and Briggs💙 06-04-19. In love with my solider. 4 angel babies.
I'm 6weeks pregnant. Me and my best friend have been best friends since we were 8 and our birthdays are 10:days a part well she just found out she's pregnant her edd is 11-7 and I'm due 11-10