Summary OB NURS 306 Final Exam Study Guide – Complete Guide to Score 100% (2023/2024)

OB NURS 306 Final Exam Study Guide – Complete Guide to Score 100% (2023/2024) Embryonic and Fetal Development • When to expect to see fetal cardiac activity on ultrasound • Summary of fetal development - table 3-4, p. 49. • What is considered a term pregnancy? • Difference between identical and fraternal twins • Fetal circulations (ductus venosus, foramen ovale, ductus arteriosis) • Basic concepts of placenta physiology and its purpose o Hormones produced by the placenta (what roles do these hormones play? Which is used to diagnose pregnancy? Which hormone is responsible for regulating glucose availability in the newborn? • Purposes of amniotic fluid • Normal structure of the umbilical cord Infertility • Definition of infertility • Common causes of infertility • Basic work up for infertility Chapter 4 Prenatal Care • What is goal and purpose of prenatal care? • Diagnosing pregnancy o Most likely cause of amenorrhea? (Pregnancy) o Know presumptive, probable and positive signs of pregnancy § Definition of Goodell’s Sign, Chadwick’s sign, Hegar’s sign, quickening § Know what symptoms could possibly attributed to something else versus what actually gives you the diagnosis pf pregnancy o When can I hear baby’s heartbeat with an ultrasound, with a hand held Doppler o When can mom feel quickening? (baby moving)…is there a difference b/w 1st and 2nd time pregnancies? o Where am I expecting to find the fundus at during different gestational ages?…Where would I palpate the fundus at 24 weeks? At 28 weeks? What is normal deviation from this finding? § IF I have finding larger than expected, what might be reasons? § IF I have finding smaller than expected, what might be reasons? • Nutrition- prevention of neural tube defects- ie. spina bifida