CMN 568 - Unit 6 Verified Questions & ANSWERS

CMN 568 - Unit 6 Verified Questions & ANSWERS Calculation of estimated date of delivery (EDD) 1st day of last menstrual period (LMP) + 7 days - 3 months + 1 year Decherney Chap 6 2 periods that comprise the 1st trimester 1) Embryonic period: 2 - 10 weeks gestational age 2) Fetal period: 8 weeks after fertilization OR 10 weeks after onset of LMP Decherney Ch 6 00:0203:29 When does organogenesis occur? Embryonic period of 1st trimester NOTE: This is when embryo is most sensitive to teratogens Definition of "gravid" Total # of pregnancies regardless of outcome Definition of parity Total # of births, both before and after 20 weeks gestation. Made up of 4 components: 1) Full term births 2) Preterm births (wt ≥ 500 g or ≥ 20 weeks) 3) Abortions (induced or spontaneous) 4) Living children NOTE: Each child in a multiple is counted individually in "parity" but only ONCE in "gravid" total. (e.g. ONE pregnancy, MULTIPLE children) Definition of preterm infant Born between 20 - 37 completed weeks of gestation (259 days) Definition of term infant Born between 37 0/7 and 40 0/7 weeks gestation (280 days) Definition of post-term infant Born after 42 weeks gestation (294 days) Prenatal mortality rates ___________________ (increase/decrease) as gestation advances past due date Increase NOTE: Mortality increases SHARPLY after 42 weeks gestation Definition of macrosomic infant or large for gestational age (LGA) fetus Weight ≥ 90th percentile at any gestational age. Excessive fetal size should be suspected in women with ________________________. Previous macrosomic fetus OR women with DM Definition of abortion Expulsion/extraction of all or part of placenta/membranes/fetus weighing 500 g or with an estimated gestational weight of 20 weeks (or 139 days from LMP) 00:0203:29 Definition of neonatal period Birth to 28 days of life Definition of perinatal period From 28 weeks gestation to first 7 days of life. (NOTE: This includes the late fetal and early neonatal period.) When does nausea and vomiting ("morning sickness") usually occur in pregnancy and by when does it usually resolve? Begins @ 6 weeks Resolves between 14 - 16 weeks gestation "3 months dreary, 3 months cheery, 3 months weary" Herf BBB Definition of hyperemesis gravidarum Extreme form of pregnancy-related nausea/vomiting, characterized by: + Dehydration + Weight loss (up to 5% of pre-pregnancy weight) + Ketonuria Symptoms usually begin 3-5 weeks into pregnancy and resolve by 20 weeks Herf BBB