NUR 335 OB - EXAM 1
COMPREHENSIVE STUDY
GUIDE ON PRETERM
LABOR AND PREGNANCY
LATEST UPDATED
2026/2027
NUR 335 OB - Exam 1 Study
Guide
, lOMoARcPSD| 68366729
NUR 335 – OB Exam 1 Study Guide MODULE 1:
TERMS TO KNOW
• •
o
• Very Preterm = <32 weeks o Determine number of weeks (+/-
• Mod Preterm = 32-33 weeks 2) woman is pregnant up until 38
• Late Preterm = 34-36 weeks weeks (assess fetal growth &
• Full = 37+ weeks development)
How to reduce preterm labor:
• Lifestyle changes • Educate mom to lay on side or sit up, DO
• Rest NOT lay flat on back o If on back =
• Prenatal care vena cava is smashed by weight of
• Social support uterus, so they have dizziness, etc.
Weights: High Risk Pregnancy:
• LBW <2,500g • Risk of maladaptive behaviors
• VLBW <1500g
IVF:
• Quickening (when mom feels baby move = • Oocytes are harvested & fertilization occurs
18-20 weeks outside female body in a lab
• Hear baby’s heart weight @ 12 weeks w/ a
doppler • Teens are worried about body image when
o Normal HR: 110-160 pregnant
• Lanugo falls o_ at 36 weeks
• Placenta fully functional by 8-10 weeks (so Molar Pregnancy:
don’t let them take meds, drugs, • Grape-like clusters
drink, etc.) • Embryo fails beyond developmental state
• Common in teens & older adults o Pelvic
Fundal Height & Weight: pain o Severe N/V o High HCG level
• Normal size = 26 cm PKU (Phenylketonuria):
• After 10-12 weeks with empty bladder (tell • Birth defect that causes amino acid to build
them to pee) up in the body due to lack of enzyme
o @ 20 weeks height should be at /
near umbilicus PICA:
• Fundal Weight: • Weird cravings
, lOMoARcPSD| 68366729
AROM:
PROM: • Artificial Rupture of Membranes
• Premature Rupture of Membranes
• •
o •
•
o
o •
o •
o •
o
o
•
o
o
o
o
o
o
o
GTPAL
Gravida: Abortions:
• Total number of pregnancies including • < 20 weeks
current o By choice or miscarriage
Living Children
Term:
• > 37 weeks Ex: A woman’s obstetrical history indicates that o Alive or dead she is pregnant
for the 4 time and all of her o
th Twins / more = still just 1 children from previous pregnancies are
living. One pregnancy was born at 39 weeks of gestation, twins were
Pre-Term: born at 34 weeks of gestation, and other child was
• 30-36 weeks & 6 days born at 35 weeks of gestation
• G: 4 T: 1 P: 2 A: 0 L: 3
NAEGARS RULE
• Add 7 days to 1st day of last period Ex: November 14, 2020
• Then subtract 3 months • 14 + 7 = 21
COMPREHENSIVE STUDY
GUIDE ON PRETERM
LABOR AND PREGNANCY
LATEST UPDATED
2026/2027
NUR 335 OB - Exam 1 Study
Guide
, lOMoARcPSD| 68366729
NUR 335 – OB Exam 1 Study Guide MODULE 1:
TERMS TO KNOW
• •
o
• Very Preterm = <32 weeks o Determine number of weeks (+/-
• Mod Preterm = 32-33 weeks 2) woman is pregnant up until 38
• Late Preterm = 34-36 weeks weeks (assess fetal growth &
• Full = 37+ weeks development)
How to reduce preterm labor:
• Lifestyle changes • Educate mom to lay on side or sit up, DO
• Rest NOT lay flat on back o If on back =
• Prenatal care vena cava is smashed by weight of
• Social support uterus, so they have dizziness, etc.
Weights: High Risk Pregnancy:
• LBW <2,500g • Risk of maladaptive behaviors
• VLBW <1500g
IVF:
• Quickening (when mom feels baby move = • Oocytes are harvested & fertilization occurs
18-20 weeks outside female body in a lab
• Hear baby’s heart weight @ 12 weeks w/ a
doppler • Teens are worried about body image when
o Normal HR: 110-160 pregnant
• Lanugo falls o_ at 36 weeks
• Placenta fully functional by 8-10 weeks (so Molar Pregnancy:
don’t let them take meds, drugs, • Grape-like clusters
drink, etc.) • Embryo fails beyond developmental state
• Common in teens & older adults o Pelvic
Fundal Height & Weight: pain o Severe N/V o High HCG level
• Normal size = 26 cm PKU (Phenylketonuria):
• After 10-12 weeks with empty bladder (tell • Birth defect that causes amino acid to build
them to pee) up in the body due to lack of enzyme
o @ 20 weeks height should be at /
near umbilicus PICA:
• Fundal Weight: • Weird cravings
, lOMoARcPSD| 68366729
AROM:
PROM: • Artificial Rupture of Membranes
• Premature Rupture of Membranes
• •
o •
•
o
o •
o •
o •
o
o
•
o
o
o
o
o
o
o
GTPAL
Gravida: Abortions:
• Total number of pregnancies including • < 20 weeks
current o By choice or miscarriage
Living Children
Term:
• > 37 weeks Ex: A woman’s obstetrical history indicates that o Alive or dead she is pregnant
for the 4 time and all of her o
th Twins / more = still just 1 children from previous pregnancies are
living. One pregnancy was born at 39 weeks of gestation, twins were
Pre-Term: born at 34 weeks of gestation, and other child was
• 30-36 weeks & 6 days born at 35 weeks of gestation
• G: 4 T: 1 P: 2 A: 0 L: 3
NAEGARS RULE
• Add 7 days to 1st day of last period Ex: November 14, 2020
• Then subtract 3 months • 14 + 7 = 21
