Female Origin Inquiry
Do Humans Start Off as Females? Exploring Embryonic Development

Discover how human embryos develop, starting from a neutral state before differentiation into male or female characteristics.

Gender Beginnings
Do All Babies Start as Females in Early Development?

Explore why all human embryos begin with similar structures before differentiation into male or female.

Di Di Twins Switching
Can Di Di Twins Switch Sides in Pregnancy?

Discover if di di twins can change sides during pregnancy and how it affects their development.