BLUEPRINTS OBSTETRICS & GYNECOLOGY QUIZ

At what week gestation does B-HCG peak? CORRECT ANSWER: At 10 weeks - peaks at 100,000 mIU/mL At what week gestation does an embryo start being called a fetus? CORRECT ANSWER: 8 weeks gestation How early might you start seeing fetal heart beats on US? CORRECT ANSWER: 6 weeks At what week gestational age might you first see the gestational sac in the uterus? CORRECT ANSWER: 5 weeks What is the Chadwick sign? CORRECT ANSWER: Bluish discoloration of the vagina and cervix indicating pregnancy What is the difference between "Gestational age" and "Developmental age?" CORRECT ANSWER: Gestational age is the weeks since the LMP Developmental age is the weeks since conception (usually two weeks less than GA) At what week of gestation does the mother begin to be aware of fetal movements? CORRECT ANSWER: 16-20 weeks How much does plasma volume increase during pregnancy? CORRECT ANSWER: By 50%. RBC volume increases by 20-30%, so hematocrit decreases Which hormone affects smooth muscle in pregnancy and is responsible for many of the physiologic changes seen? CORRECT ANSWER: Progesterone causes smooth muscle relaxation How much does the daily caloric intake requirement increase during pregnancy? CORRECT ANSWER: By 300kCal/day If a patient begins to gain an unusually large amount of weight late in pregnancy, what pathology should you consider? CORRECT ANSWER: Pre-eclampsia - it could be a sign of fluid retention Which three chemicals are assayed in the standard triple test for Down syndrome? CORRECT ANSWER: Alpha feto protein B-HCGestriol At what week is AFP usually screened to check for Down syndrome? CORRECT ANSWER: 15-18 weeks At what week of pregnancy are women screened for Group B Streptococcal infection? CORRECT ANSWER: 36 weeks What is the treatment for women who test positive for GBS late in pregnancy? CORRECT ANSWER: IV penicillin Name the common, benign cause of lower abdominal pain that often occurs late in the second trimester of pregnancy? CORRECT ANSWER: Round ligament pain - secondary to the rapid expansion of the uterus and stretching of the ligamentous attachments What are the five components of the Biophysical Profile? Amniotic fluid volume Fetal tone Fetal activity Fetal breathing movements NST Which chemical is seen in higher concentrations in the amniotic fluid when the lung matures? CORRECT ANSWER: Lecithin increases as the lungs mature