Question

describe in brief the changes the uterus undergoes
1.to receive the zygote
2.if zygote is not formed

Answer 1

to receive the zygote Corpus luteum is implanted in the uterus wall and that is made up of endometrial tissue
and if zygote is not formed then the endometrial wall blood vessels and Corpus luteum is should unlock the vaginal orifice
please mark my answer as brainliest

Answer 2

1.lining of uterus get thin and riched in blood capillaries
2It detached with shedding blood