Question

Give any two important changes in the uterus after after fertilization

Answer 1

a) when the implantation of the embryo had taken place the uterus starts developing the placenta which secretes female hormone to temporarily stop the menstrual cycle uptil delivery.

b) when the fertilisation of the egg does not takes place the thick utrine wall sheds off.... rupturing blood vessels of the uterus and blood comes out in the form of menstrual fluid.

Answer 2

$\huge\texttt{Answer:}}$

the implantation of the embryo had taken place the uterus starts developing the placenta which secretes female hormone to temporarily stop the menstrual cycle uptil delivery