You're pregnant or have hit the menopause. It can also be delayed by stress and such.
Menstruation occur at the age of 9 to 16 years old
No.
Yes. Menstruation will still occur with out ovulation
No, menstruation does not occur if the egg is fertilized. Instead, the fertilized egg implants in the uterus to begin pregnancy. If fertilization does not occur, then the uterine lining sheds during menstruation.
Yes!
If fertilization does not occur, the endometrium will shed during menstruation. The endometrial lining that had thickened in preparation for a potential pregnancy will break down and be expelled from the body through the vagina. This process is known as menstruation.
For women, the uterine lining sheds, in the physiological term of menstruation. In rabbits, nothing happens. They just keep going in and out of heat until fertilization does occur. The same goes for cows and heifers.
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 typically occurs about 14 days after ovulation.
No, menstruation occurs in individuals who have a uterus and typically identifies as female. Men do not experience menstruation.
on average every 28 days
Menstruation occurs at the start of the menstrual cycle and normally lasts around a week, so menstruation would occur days 1-7 of the menstrual cycle.