The first day of a womans menstrual period is just that - the first day of menstruation.
The menstrual cycle begins with day 1 which is the first day of bleeding. The last day of the cycle is the day before the next period begins.
The first menstrual period is known as "menarche".
The first day of a womans menstrual cycle is also the first day of menstruation.
Menarche is the medical term meaning first menstrual period.menarchemenarche
The first day of the menstrual cycle is the first day of the menstrual phase - aka first day of the period/menstruation. The menstrual cycle is called this (rather than ovulation cycle) because menstruation is the most noticeable external sign of the cycle.
A young lady's menstrual cycle is called a period.
It depends on when you take it relative to you menstrual cycle. If you take it on the first day of your menstrual period, it begins to work immediately. If you use a "sunday start" (if you start it at another point in in your cycle) you need to take it for a full month before you can assume that it is working.
It's the first day of your last menstrual period.
The date is calculated from the start day of the last menstrual period.
Of course. Pregnancy begins at 1 week, the first week being the date of the last menstrual period. 3 weeks would be roughly around date of conception.
No, you can have cramps and spotting at the time for your first period after conception but not full menstrual flow.
The menstrual cycle begins Day 1 of your period, about half way through the cycle you ovulate and the last day is the day before your next period starts. Day 1 begins the cycle all over again. The last day of your cycle tells you the length of your cycle, on average between 24 and 34 days, although longer and shorter cycles are still "normal".