answersLogoWhite

0

The embryo and placenta grow side by side and are attached via the umbilical cord - the placenta attaches to the uterine wall as it develops after the embryo implants in the uterine lining.

Some women have spotting and slight cramps when the embryo attaches to the uterine lining.

User Avatar

Wiki User

14y ago

What else can I help you with?