how long can you be pregnant for?
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Pregnancy lasts for about 280 days or 40 weeks. A preterm or premature baby is delivered before 37 weeks of your pregnancy. Extremely preterm infants are born 23 through 28 weeks. Moderately preterm infants are born between 29 and 33 weeks.
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At 12 weeks pregnant, you're about three months pregnant. Remember, pregnancy is 40 weeks long, which doesn't break down cleanly into nine months. Just two more weeks until you can officially put your first trimester behind you!
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Pregnancy usually lasts about 40 weeks (280 days) from the first day of your last menstrual period (also called LMP) to your due date. Your due date is the date that your provider thinks you will have your baby.
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In order for pregnancy to happen, sperm needs to meet up with an egg. Pregnancy officially starts when a fertilized egg implants in the lining of the uterus. It takes up to 2-3 weeks after sex for pregnancy to happen.
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The length of a human pregnancy can vary naturally by as much as five weeks, according to research published online August 7 in the journal Human Reproduction. Normally, women are given a date for the likely delivery of their baby that is calculated as 280 days after the onset of their last menstrual period.
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On average, pregnancies lasted 38 weeks from the day of conception to the day the baby was born, or about 40 to 41 weeks from the day of the women's last menstrual period. (The latter measure is more commonly used to determine a woman's due date.)
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Taking into account how long sperm survive and the time it takes for fertilization and implantation, you can be pregnant as soon as seven days after you had sex or as long as 15 days. Sometimes, women will wonder if they already are having pregnancy symptoms the day after they have unprotected sexual intercourse.
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Yep, that's a week or two before you even get pregnant. We know it sounds totally weird, but it's more accurate for doctors to estimate a due date this way. So if you think you conceived about two weeks ago, you're probably at least four weeks pregnant—maybe even five.
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81 percent were pregnant after 6 months. 92 percent were pregnant after 12 months. In their conclusion, the researchers wrote, “Most couples conceive within six cycles with timed intercourse.” After a year of trying without conceiving, experts say you should see a fertility specialist.
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And it's true that you're pregnant for about 9 months. But because pregnancy is measured from the first day of your last menstrual period — about 3-4 weeks before you're actually pregnant — a full-term pregnancy usually totals about 40 weeks from LMP — roughly 10 months.
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Pregnancy normally lasts from 37 weeks to 42 weeks from the first day of your last period. As part of your pregnancy (antenatal) care, your midwife will offer you a dating scan that will give you a more accurate date for the birth of your baby. Find out about: your NHS pregnancy journey.
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The first trimester begins on the first day of your last period and lasts until the end of week 12. This means that by the time you know for sure you're pregnant, you might already be five or six weeks pregnant! A lot happens during these first three months.
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Pregnancy usually lasts about 40 weeks from the first day of your last menstrual period to your due date. A full-term pregnancy lasts between 39 weeks, 0 days and 40 weeks, 6 days.
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A full-term pregnancy is 40 weeks, or 280 days. Depending on what months you are pregnant during (some are shorter and some longer) and what week you deliver, you could be pregnant for either nine months or 10 months. This is completely normal and healthy.
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A normal, healthy pregnancy can last until 42 weeks, that is, 14 days after 40 weeks. Term is considered to be anywhere between 37 and 42 weeks, so any baby born within that range would be considered to be full-term.
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Your 17-week fetus is about 5.1 inches long and weighs about 5.9 ounces. 17 Weeks Pregnant Is How Many Months? At 17 weeks pregnant, you're four months pregnant. But here's the catch: Pregnancy is technically longer than nine months: It's 40 weeks long, and if you assign four weeks to a month, that's 10 months long.
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It may sound surprising, but you're not yet pregnant during week one of pregnancy. Pregnancy is measured on a 40-week calendar, and day one begins on the first day of your last menstrual cycle. You become pregnant near the end of week two or the beginning of week three, depending on when your body ovulates.