Because the uterus is getting ready to host a foeatus.
The lining of the uterus breaking apart is the mucus lining that is usually formed so as to create a conducive environment for a fertilized egg to develop. If the ovum is not fertilized, the thick lining breaks apart which is what causes menstruation.
to prepare the uterus to receive any fertilized eggs
Premenstrually the lining thickens and is later shed if there is no fertilized egg to implant into the lining. A hormonal imbalance, infection or endometriosis can all cause a thickening of the lining, irregularly during your cycle.
To prepare for any fertilized eggs XD
The uterus produces a lining called the endometrium. The endometrium creates an environment for the fertilized egg to implant to and grow. the lining is thick so when the fertilised egg lands on it, it can have like a sort of perfect house to live in
After the release of an egg, the uterus will form a thick lining of blood within its wall in preparation for the implantation of a fertilized egg in the wall of the uterus. If the egg will not be fertilized, the thick lining of blood with exit the body in the process of menstruation.
Progestrone causes the uterine lining to thicken in preparation of a fertilized egg. If no egg is fertilized, the thick lining is shed as a menstrual cycle.
You have the proliferative phase before the ovulation. After the ovulation you get the secretary phase. Here the glands becomes tortuous. The uterine lining becomes thick. This happens under the influence of both oestrogen and progesterone hormones.
Because if the egg is fertilised, it implants into the thick uterus lining. If it wasn't thick, there would be nothing for it to implant into. Also, once the egg is fertilised and is implanted there, it provides protection around the egg
So that it can form a protective environment for the egg to develop into a baby.
Because if the egg is fertilised, it implants into the thick uterus lining. If it wasn't thick, there would be nothing for it to implant into. Also, once the egg is fertilised and is implanted there, it provides protection around the egg
The thick lining is prepared by the nature,so that implantation of the zygote should be possible. If there is no fertilization, then this lining is shed away. You have fresh lining for the next month. After all generation next is very much important for the nature.