Anatomy and Physiology of Pregnancy Lectures 1 N. Petrenko, MD, Ph. D
The Start of It All
Or…. for those women who get tired of waiting for the “right man”
Probable signs of pregnancy (observed by examiner):
Probable signs of pregnancy (observed by examiner):
Positive signs of pregnancy (noted by examiner, confirm pregnancy)
Reproductive system & Breast
Integumentary System
Musculoskeletal System
Uterine Sizing
Uterine Sizing
Accuracy of Dating by Ultrasound Gestational Age weeks) Ultrasound Measurements Range of Accuracy <8 Sac size + 10 days 8 -12 CRL + 7 days 12 -15 CRL, BPD + 14 days 15 -20 BPD, HC, FL, AC + 10 days 20 -28 BPD, HC, FL, AC + 2 weeks > 28 BPD, HC, FL, AC + 3 weeks
Bones and Joints of the Pelvis
The Diagonal Conjugate
The Ischial Spines
The Pelvic Outlet
Leopold's Maneuvers - are used to determine the orientation of the fetus through abdominal palpation. l .
2. The sides of the uterus are palpated to determine the position of the fetal back and small parts.
3. The presenting part (head or butt) is palpated above the symphysis and degree of engagement determined