If the egg fails to get fertilized by a sperm it has to be expelled and this process is started by the lowering of progesterone and estrogen levels that causes the uterus lining to break down and release a compound named prostaglandins. Prostaglandins causes the contraction of the uterine muscles that causes the breakdown of the egg and further contractions cause it to expelled through the vagina.
it is lost in menstruation
ovulation
they increased
menstruation
Anal bleeding is usually caused by hemorrhoids, not by menstruation. It could also be a symptom of a more serious gastro-intestinal illness, but it is never menstruation, which happens in a different orifice entirely.
Blood levels of estrogen and progesterone decrease.
It's a normal thing for every female. But some get irregular menstruation which means she might have a problem in her reproductive system which should be checked by a doctor. Why do you get menstruation? It's a sign which means you are ready to be pregnant. And it happens when a girl becomes mature and got through puberty except menstruation.
They are absorbed and later passed out during menstruation.
Menopause usually happens betwenn the ages of 45 and 55.
No, the egg is not released during menstruation. Menstruation occurs when the lining of the uterus sheds because fertilization did not occur. The egg is released during ovulation, which typically happens around the middle of a woman's menstrual cycle.
Menstrual cycle refers to the entire reproductive cycle, starting during menstruation - there is no 'after the menstrual cycle' but I think you might mean after menstruation. After menstruation the cycle starts again, typically a woman will be fertile around a week after menstruation so her body will produce fertile cervical mucus and she will ovulate.
Menstruation usually starts after the breasts have started developing. It normally happens from the ages of 8-16. It will be obvious that a girl is getting near womanhood.