medical notes

Apr 17th, 2015
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PUERPERIUMPeriod of confinement during and 6 subsequent weeks (42 days) just after birth during which normal pregnancy involution occurs and the reproductive tract returns anatomically to a normal nonpregnant stateInvolution of the Genital and Urinary TractsInvolution of the Uterine CorpusImmediately after placental expulsion, the fundus of the contracted uterus is slightly below the umbilicus.The uterine body then consists mostly of myometrium covered by serosa and lined by basal decidua (because separation of the placenta and membranes involves the spongy layer) that has striking variations in thickness, an irregular jagged appearance, and is infiltrated with blood, especially at the placental site. The anterior and posterior walls, in close apposition, each measure 4 to 5 cm in thickness. Because its vessels are compressed by the contracted myometrium, the puerperal uterus on section appears ischemic when compared with the reddish-purple hyperemic pregnant organ. After the first 2 days, the uterus begins to shrinkWithin 2 weeks it has descended into the cavity of the true pelvis It regains its previous nonpregnant size within about 4 weeks.Uterine weight;Immediately postpartum - 1000 g1 week later - 500 gSecond week - 300 gSoon thereafter - ?100 g The total number of muscle cells does not decrease appreciably; instead, the individual cells decrease markedly in size. The involution of the connective tissue framework occurs equally rapidly.Endometrial Regen

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