Pregnancy, also known as gravidity or gestation, is period during which one or more offspring develops inside a woman. A multiple pregnancy involves more than one offspring, such as with twins.[2] Pregnancy can occur by sexual intercourse or assisted reproductive technology. Childbirth typically occurs around 40 weeks from the last menstrual period (LMP). This is simply over nine lunar months, where each month is all about 29½ days. When measured from conception it is around 38 weeks. An embryo is the developing offspring during the first two months following conception, after which, the term fetus played with until birth. Symptoms of early pregnancy may include missed periods, tender breasts, nausea and vomiting, hunger, and frequent urination.Pregnancy end up being the confirmed with a pregnancy test. Pregnancy is typically divided into three trimesters. The first trimester originates from week one through 12 and includes conception. Conception is when the sperm fertilizes the egg. The fertilized egg then travels down the fallopian tube and attaches to the interior of the uterus, where it starts to form the fetus and placenta.[1] The first trimester carries the highest risk of miscarriage (natural death of embryo or fetus). Next essential trimester is from week 13 through 28. Inside of the middle of the second trimester, movement of the fetus may be feel. At 28 weeks, more than 90% of babies can survive outside for this uterus if provided high-quality medical care. The third trimester is from 29 weeks through 40 weeks -
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