NR 327 Exam 1 Content Review Study Guide OB Maternal

NR 327 Exam 1 Content Review Study Guide OB Maternal Textbook Ch 5, 6, 7, 8, 9, 12, 13 and 15 ATI Ch 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15 • Terms related to pregnancy o Para: number of babies born after 22 weeks o Gravida: a woman who is or has been pregnant o Primigravida: a woman who is pregnant for the 1st time o Primipara: a woman who has delivered one child after 22 weeks o Multigravida: a woman who has been pregnant previously o Multipara: a woman how has carried two more pregnancies after 22 weeks o Nulligravida: a woman who is not pregnant and not currently pregnant (never been pregnant) • Maternal Hormones o Placental Hormones: ▪ Progesterone: maintains endometrium; inhibits uterine contractibility; lactation ▪ Estrogen: breast/uterine enlargement ▪ hCG: stimulates corpus luteum to produce estrogen and progesterone until placenta takes over ▪ hPL: antagonist to insulins ▪ relaxin: inhibits uterine activity; softens cervix and collagen in joints ▪ prostaglandins: may trigger labor o Pituitary gland: ▪ Prolactin: responsible for milk production after birth ▪ Oxytocin: stimulates uterine contractions, loosens joints and ligaments starting at 4 months o Adrenal glands: ▪ Aldosterone o Pancreas ▪ Insulin; additional glucose for fetus • Nagele’s Rule o Take the first day of the womans LMP, subtract 3 months and then add 7 days and 1 year, adjusting for the year as necessary • GTPAL o Gravidity o Term births (38 wks or more) o Preterm births (up to 37 weeks) o Abortion/miscarriages o Living children • Betamethasone o Used for Preterm delivery • Signs of Pregnancy o Presumptive S/S ▪ Amenorrhea ▪ N/V ▪ Enlargement & breast tenderness ▪ Frequent urination ▪ Feeling tired ▪ Montgomery’s