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When conception occurs the embryo needs the uterine lining to protect it and to build a placenta on. When the egg goes unfertilized the lining is discharged (menstruation) and a new lining starts fresh every month.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoIn simple terms - women's bodies produce an egg at regular 'cycles' - usually every 28 days. Her body readies itself to protect and nurture the egg - should it become fertilized. If intercourse hasn't happened at the appropriate stage in the eggs journey to the uterus, the body rejects it, and the lining of the womb, as they're no longer viable - and so the woman has a menstrual period.
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menstruation occurs when?
When estrogen and progesterone levels are low, shedding of the endometrial layer (menstruation) occurs.
Normal menstruation occurs when?
When estrogen and progesterone levels are low, shedding of the endometrial layer (menstruation) occurs.
What does a drop in estrogen and progesterone trigger?
Menstruation occurs
What occurs at the end of a females monthly cycle?
menstruation
Does ovulation occur from 14th day until menstruation?
of course not, menstruation occurs on the 14th day not the ovulation, and I say that the start of the menstrual cycle is actually menstruation.
Menstruation occurs due to a decrease in?
Levels of progesterone and estrogen
Is the egg released during menstruation?
No, the egg isn't released during menstruation. The egg is released during ovulation, which typically occurs two weeks before menstruation, if the egg isn't fertilised then this leads to menstruation.
Menstruation and ovulation?
Menstruation is a monthly cycle that occurs in females. When an egg is not fertilized, it passes out of the woman's body in the form of blood. Ovulation occurs mid-cycle, and it is the release of an egg from one of the ovaries.
What event in the female menstrual cycle occurs if implantation does not occur?
Menstruation
What is the regular menstruation cycle usually occurs every?
28 days
Does menstruation occurs when a teen girl is pregnant?
If a woman menstruates, whether she is a teen or an adult, then she can't possibly be pregnant. Menstruation only occurs if the egg released during ovulation hasn't been fertilised.
When menstruation occurs on a regular basis what is it called?
When menstruation occurs on a regular basis that is the norm, there is no special word to explain this. When you get your period on a regular basis it is simply known as a regular menstrual cycle, it's a positive and normal thing.
