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Transcript of Pregnancy
Gravidity: # of times a woman has been pregnant.
Parity: # of pregnancy that led to a birth beyond 20 weeks.
Developmental age: (DA) # of weeks and days since fertilization. (Usually unknown.)
Gestational age: (GA) # of weeks and days measured from the first day of the last menstrual period.
Diagnosis of Pregnancy
Beta- hCG (human- chorioic gonadotropin):
Hormone produced by the placenta. Its levels double every 48 hours during early pregnancy. (Levels off in third trimester.)
Normal Physiology of Pregnancy
The goal of prenatal care is to prevent, diagnose, and treat conditions that can lead to adverse outcomes in pregnancy.
30 minutes of moderate exercise daily
Everything that happens during pregnancy is thanks to progesterone (or most of it.)
The renal flow increases
Meaning: more blood being filtrated = more urination.
The uterus will increase its weight from 60-70g up to 900-1200g.
Body weight increase: AVERAGE is 11kg.
Heart rate: will gradually increase 20%
BP: Gradually decreases 10%by GW 34.
Cardiac output: or how much blood comes out of the heart into the rest of the body will increase rapidly 20%, and then another 10% gradually after GW 28.
The tidal volume (or the amount of air in the lungs) will increase by 30-40%
The volume increases by 50% in the second trimester.
The hematocrit (or the amount of RBC'sin the bloodstream) might decrease slightly.
Ideally 1kg per month. No more, no less.
Additional 100-300 kcal per day during breastfeeding.
FOLIC ACID SUPPLEMENTS. (0.4mg a day) to decrease neural tube defects.
Vitamin D and B12 for vegans.