How can you tell the exact date you got pregnant

With an ultrasound, even women who don't have periods at all can tell how far along they are.For example, if you are 20 weeks pregnant and it is november 15, you should subtract 20 weeks to determine when your last period started.Gestational age is measured from the last menstrual period (lmp) — the first day of your last period — to the current date in weeks.The most accurate way to determine gestational age is using the first day of the woman's last menstrual period and confirming this gestational age with the measurement from an ultrasound exam.Those are the days you are likely the most fertile.

You probably conceived around the time of ovulation, which is around day 14 of the average menstrual cycle of 28 days.If your period is late or you're wondering if you're pregnant, the days can tick by rather slowly.Add 14 days to the start date of your last menstrual period.Then mark the last day of your cycle.If you know the exact day you conceived, you can use that information to figure out when your baby is due.

You can use your gestational age to figure out when the first day of your last period was, and from there you can calculate the conception date.The first step is locating the date of your lmp on the wheel.Your due date is estimated to be 40 weeks after the first day of your lmp.When the test line is darker than the control line, the test is considered positive, indicating that you are likely about to ovulate.Not every expectant mother will need one unless the date is uncertain.

Ovulation date + 9 days = implantation date if you know the first day of your last menstrual period (lmp), add 23** days.You can figure out this date using a couple of simple formulas (which we've also covered in our implantation calculator post).The due date is normally set at 40 weeks after the first day of the woman's last period.The most common way to calculate your pregnancy due date is by counting 40 weeks from the first day of your last menstrual period (lmp).