Question

state the changes that take place in the uterus in the following cases.if the egg is fertilized,if the egg is not fertilized​

Answer 1

Answer:

Two situation occurr..

Explanation:

1. when the egg is fertilised the the uterus wall will not erode means no menstrual cycle occur as body releases the harmone called progesterone ( female steroid hormone which is important for maintenance of uterus wall where implantation of fertilised egg occur.

After that the the movement of fertilised egg occur from fallopian tube to down towards uterus where sperm divide and form 4 celled stage called blastocyst and implantation occur approximately 4bth day if fertilization in uterus and further development take place there.

2.If egg is not fertilised the breakdown of uterine wall occur and the periodic menstrual cycle occur...