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antepartum physiolog

antepartum-physiological changes of pregnancy ati u1c3

QuestionAnswer
presumptive signs of pregnancy changes experienced by the woman that make her think that she might be pregnant. Can be subjective symptoms or objective signs
probable signs of pregnancy changes observed by an examiner that makes them suspect woman is pregnant. changes are primarily related to physical changes of the uterus.
positive signs of pregnancy signs that can only be explained by pregnancy
mcdonald's method measure uterine fundal height in cm from symphysis pubis to the top of the uterine fundus (betwen 18-30 weeks gestation). Gestational age is estimated to be equal to fundal height.
renal changes during pregnancy filtration rate increases second to pregnancy hormones and inc in blood volume and metabolic demands. urinary frequency is common.
endocrine changes during pregnancy placenta becomes endocrine organ produces hCG, progesteron/estrogen, hPL and prostaglandins.
peak levels of hCG after implantation occur... 60-70 days of gestation
hCG levels decrease after reaching their peak levels until... 140 days of pregnancy, then gradually inc until term
higher levels of hCG can indicate what problems multifetal pregnancy, ectopic pregnancy, hydatidiform mole (gestational trophoblastic disease) or a genetic abnormality such as down syndrome.
medication effect on pregnancy tests anticonvulsants, diuretics, tranquilizers can cause inaccurate results.
blood pressure change in second trimester 5 to 10 m Hg lower for both diastolic and systolic
at 20 weeks gestation blood pressure ... is back to prepregnancy baseline range
dark line of pigmentation from umbilicus extending to pubic area linea nigra
Created by: FSclafani