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You count from the start. The first day of your period is Day 1. The last day is whatever day comes the day before your next period starts. The actual number of days varies between women, or even from cycle to cycle.

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17y ago

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What if your period switch up days every month how do you know if you are pregnant?

It's normal for the length of a woman's period to vary from month to month. Anthing between about 26 days to 35 days between the first day of one period and the first day of the next period is normal. It is not reasonable to expect your period to come on the same day every month. You know if you are pregnant if your period is a week late and your pregnancy test is positive.


When would someone ovulate if her period is every 21 days?

You have your period a fixed 14 days after you ovulate. So if a woman has her period every 21 days, she ovulates on 21-14=7...the 7th day after the 1st day of her period.


How do you tell when your next period is?

You can track your menstrual cycle and predict when your next period will come by counting the number of days from the first day of one period to the first day of the next. There are also period tracking apps available that can help you estimate when your next period is due based on your past cycles.


How soon should you try and conceive after first day of period?

About 14 days after the first day of your period is when you are fertile.


How long after the first day of your period would you have implantation bleeding?

u would have it for 3 days prox but u have it every month


Do you take clomiphene the first day after your period for the next five days?

when you start you period from that day count five days on the five day you start taking clomiphene.


When is the heaviest day of your period?

Usually the first two days..


Do you count the first day of your last period to see how many days you are late?

Yes. From the first day of the last period you had - count forward 28 days (or when you expected to start). Day 29 would be 1 day late.


Is ovulation always 8 days after a normal period?

No. It's 14 days BEFORE the first day of your next period.


Explain how many days before or after your period a girl can become pregnant?

From the first day of your period you are safe.Then two days after your period you are safe.From the third day after your period to twelveth day after your period you are not safe.Your safe period start again from thirteenth day after your period till after your next period.You can draw your mensruation chart to calculate it.Good luck. From the first day of your period you are safe.Then two days after your period you are safe.From the third day after your period to twelveth day after your period you are not safe.Your safe period start again from thirteenth day after your period till after your next period.You can draw your mensruation chart to calculate it.Good luck. From the first day of your period you are safe.Then two days after your period you are safe.From the third day after your period to twelveth day after your period you are not safe.Your safe period start again from thirteenth day after your period till after your next period.You can draw your mensruation chart to calculate it.Good luck. From the first day of your period you are safe.Then two days after your period you are safe.From the third day after your period to twelveth day after your period you are not safe.Your safe period start again from thirteenth day after your period till after your next period.You can draw your mensruation chart to calculate it.Good luck.


Why do you get your period every two weeks and its light and last like three day's?

Your supposed to get it every four weeks or 28 days and its light at the last thre days because your finishing your period


Which day is the first day of menstruation when there is light bleeding for a day then nothing for two days then the full bleeding starts?

The day you first start the light bleeding. Because you don't bleed for 2 days after the light bleeding, then don't count these days as your period. But its still day 1 of your period.