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You work out how long it is since the FIRST day of you last period.

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Q: How do you calculate weeks of pregnancy according to last menstruation?
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How do you determine if you are pregnant even-though before menstruation?

You can take a pregnancy test from two weeks after you have sex. Other than a pregnancy test or missed menstruation it can be months before seeing symptoms.


What can cause menstruation to be delayed by two weeks?

Stress, diet, other hormone imbalances and pregnancy.


Would it be pregnancy or an early menstruation if there is vaginal discharage accompanied by lower back pain and cramps - last period was two weeks ago.?

It very well could be pregnancy.


Can hemoglobin levels decrease one week prior to menstruation?

normal haemoglobin level in 6 weeks of pregnancy is 1o-11gm%


Is pregnancy 38 or 40 wks?

pregnancy lasts for a periods of 40 weeks from last missed periods. Pregnancy lasts for 38 weeks from the date of conception. Normally you do not know the date of conception. The date of last periods is taken normally to calculate the weeks of pregnancy.


Are you considered as a pregnant if the menstruation delay 1 month and 2 weeks?

You may be pregnant If you have had sexual intercourse without protection. If you have had sexual intercourse, buy a pregnancy test. If you are still a virgin, your menstruation has just delayed.


To prevent menstruation and to sustain pregnancy the trophoblast cells of the implanted embryo must secrete for the first five or six weeks?

human chorionic gonadotropin (HCG)


How do you induce menstruation if it's already 3 weeks delayed?

You don't. If there is a chance you are pregnant, take a pregnancy test. If not consult a doctor. Self-help is not appropriate here.


How many weeks before you know your pregnant?

At least 3 but usually 4 at the earliest for most women. The first week of pregnancy is actually considered to be the week of your menstruation.


When can i have my menstruation after i take cytotek?

The menstruation should return within 8 weeks from the abortion.


Can pregnancy occur if you had intercourse with your husband a week before your periods?

Yes; in fact it's fairly likely, since 1-2 weeks before menstruation is when ovulation occurs.


What happens when a girl got a delay menstruation but she has her menstruation last month?

There are several reasons why a woman's menstruation can be delayed -- Stress, Illness, medications, etc. But, the most common reason is pregnancy. A simple pregnancy test will answer this question.