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No. Your due date is calculated from two weeks before actual conception. You are actually pregnant for 38 weeks. You conceived 18 weeks ago.
Yes. Your baby was on his/her way before April 11. If you're 6 weeks pregnant, you conceived around 4 wks ago (doctors start counting weeks from your last period). BUT it still isn't April 24...
That means it is the date conceived (or within 48 hours of). It is never right on, but within a week of. Go by what the ultrasound says. No, if your ultrasound says 17 weeks and 2 days that would be that date plus 2 extra weeks, that is around the time of your last period, unless you have irregular periods or conceived straight after a miscarriage or something. The length of pregnancy is always measured from your last period even by ultrasound.
It means it is approximately four weeks since you conceived, but six weeks since the start of your last period. Pregnancies are dated from the latter date, so you wouldn't say you were four weeks pregnant.
You can't. Either you got pregnant after having had sex earlier, or the ultrasound operator is wrong.
At this stage, yes the ultrasound can be off by 10 days. Mine was off by ten days the other way, that is I thought I was 18 weeks and the ultrasound said 16 and a half. I knew when I had conceived because my husband had been away on a trip.
Around 2.5 weeks ago.
If you were 13 weeks on 18 December you conceived on or around October 2nd.
If you know when you conceived you should always go by your date. Ultrasounds, especially later in pregnancy, are not as accurate. Here are the dates that they can be off. The inaccuracy of ultrasound First trimester: 7 days 14 - 20 weeks: 10 days 21 - 30 weeks: 14 days 31 - 42 weeks: 21 days
Based on you're due date you most likely conceived april, 13 2009. If you had an early ultrasound in you're first trimester then you're due date is pretty accurate.
Twelve weeks and one day before July 7 is April 13.
somewere at the end of Jan or first week if feb women are pregnant for actually 4o weeks