If you are a woman, what was the date of your last menstrual period?

The drug is almost 100 percent effective when taken within 49 days of the last menstrual period.

On average, it occurs during the 20th to the 23rd day after the last menstrual period.

RU-486 can be prescribed for use only up to seven weeks after a woman's last menstrual period.

Was the flow of your last menstrual period a normal amount for you?

If you have been through menopause, how long ago was your last menstrual period?

Early pregnancy means it is 49 days (7 weeks) or less since your last menstrual period.

Pregnancy is measured in weeks from the first day of your last menstrual period.

Menopause is the point when it's been a year since a woman has her last menstrual period.

Ovulation takes place about two weeks after the first day of the last menstrual period.

A normal pregnancy lasts 40 weeks after the first day of the last menstrual period.

It is not supposed to be used after the 47th day after the last menstrual period.

When was your last menstrual period or what is your due date?

Normally, this occurs about forty weeks after the mother's last menstrual period.

A non-surgical, or medical, abortion can be done within 7 weeks from the first day of the woman's last menstrual period.

Machine vacuum aspiration can be used around 5 to 12 weeks after the last menstrual period.

The drug allows women to terminate pregnancy within seven weeks of their last menstrual period.

A pregnancy in the uterus is visible 6 weeks after the last menstrual period.

Time pattern When was your last menstrual period?

Another way to estimate your due date is to add 40 weeks to the first day of your last menstrual period.

Studies have shown it is more than 95 percent effective when taken with the hormone prostaglandin within 49 days of the last menstrual period.

With ultrasound, a doctor can usually see a pregnancy in the uterus 6 weeks after your last menstrual period.

Most doctors calculate the start of pregnancy from the first day of your last menstrual period.

On average, ovulation and fertilization occurs about two weeks after your last menstrual period.

Due dates are easily miscalculated when the mother is unsure of her last menstrual period.