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Файл:Lecture 13 - Pregnancy and child birth.pdf
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- •Pregnancy
- •The endocrine glands and pregnancy
- •Why is hCG so important?
- •Relationship between hCG, estrogen, and progesterone
- •Placental secretion of Estrogen
- •Other Hormones During Pregnancy
- •Other Hormones During Pregnancy
- •Pregnancy
- •First Trimester
- •Second Trimester
- •Second Trimester – Breasts Dev
- •Third Trimester
- •Development of the Fetus
- •Germinal Stage – Week 1 & 2
- •Embryonic Stage – Week 2 to 8
- •Fetal Stage – 9 Weeks to Birth
- •The Effects of Pregnancy on the Mother
- •Effects of Pregnancy on the Mother
- •Effects of Pregnancy on the Mother
- •Effects of Pregnancy on the Mother
- •Effects of Pregnancy on the Mother
- •Childbirth (Partition)
- •Initiation of Labor
- •Stages of Labor
- •Stages of Labor
- •Stages of Labor
The Effects of Pregnancy on the Mother
•Pregnancy – period from conception until birth
•Anatomical changes
–Enlargements of the uterus
–Accentuated lumbar curvature
–Relaxation of the pelvic ligaments and pubic symphysis due to production of relaxin
Effects of Pregnancy on the Mother
•Physiological changes
–Gastrointestinal system
•Morning sickness is common due to elevated progesterone
•Heartburn is common because of organ crowding by the fetus
•Constipation is caused by declining motility of the digestive tract
Effects of Pregnancy on the Mother
•Physiological changes
–Urinary System
•Kidneys have additional burden and produce more urine
•The uterus compresses the bladder
Effects of Pregnancy on the Mother
•Physiological changes
–Respiratory System
•Nasal mucosa becomes congested and swollen
•Vital capacity and respiratory rate increase
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