Pregnancy is the fertilization and development of one or more offspring, known as an embryo or fetus, in a woman's uterus. In a pregnancy, there can be multiple gestations, as in the case of twins or triplets. Childbirth usually occurs about 38 weeks after conception; in women who have a menstrual cycle length of four weeks, this is approximately 40 weeks from the start of the last normal menstrual period (LNMP). Human pregnancy is the most studied of all mammalian pregnancies. Conception can be achieved through sexual intercourse or assisted reproductive technology.
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Famous quotes containing the word pregnancy:
“Back in the days when men were hunters and chestbeaters and women spent their whole lives worrying about pregnancy or dying in childbirth, they often had to be taken against their will. Men complained that women were cold, unresponsive, frigid.... They wanted their women wanton. They wanted their women wild. Now women were finally learning to be wanton and wildand what happened? The men wilted.”
—Erica Jong (b. 1942)
“It is now quite lawful for a Catholic woman to avoid pregnancy by a resort to mathematics, though she is still forbidden to resort to physics and chemistry.”
—H.L. (Henry Lewis)
“Her girlfriends asked that innocent,
What? What appeals to you?
when her pregnancy cravings appeared.
Her gaze merely fell
on her husband.”
—Hla Stavhana (c. 50 A.D.)