Around 7 days
Around 7 days
no rats have an estrous cycle, not a mestrual cycle.
When your ovulating.
If you haven't had a menstrual cycle for that long you're pregnant or there's something wrong with your health. Either way you need to see a doctor.
the uterine lining builds-up during the proliferate phase of the menstrual cycle. Everyone's menstrual cycles are different, but during a 28 day cycle this phase would be around days 16-28.
A menstrual period is when the uterus lining sheds as a result of a cycle without pregnancy occurring. Menstrual flow is made up of the uterine tissue, blood, cervical mucus, and discharge.
When you do this you open yourself up for pregnancy if you have sex at this time and it will change the menstrual cycle, but if you have missed one I would suggest a pregnancy test.
Extremely low, but unless you're abstinent there is always a risk. Aside from that, sex during the mestrual cycle can cause infections, so be careful.
The "15th day of the menstrual cycle" typically refers to the midpoint of a standard 28-day cycle, which is when ovulation usually occurs. The menstrual cycle starts from the first day of menstruation (the first day of bleeding) and ends on the day before the next period begins. On the 15th day, hormonal changes peak, which can lead to increased fertility. However, cycle lengths can vary, so individual timing may differ.
Well, ask yourself: do I want kids? Without one, ya can't have kids.
a womans period should come at an average of every 28 days
The average menstrual cycle is 28 days. Five days for the menstrual phase (when a woman's endometrium is being expelled, also known as a period), nine days for the proliferative phase (when the endometrium is developing), zero days for ovulation (when a ripe ova, or egg cell, is deposited from an ovary), and fourteen days for the secretory phase (when the endometrium continues to develop.