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Pregnancy

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by

Daniela Robles

on 22 April 2016

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Transcript of Pregnancy

Pregnancy
Basic Concepts
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.)

Ultrasound
Normal Physiology of Pregnancy
Prenatal Care
The goal of prenatal care is to prevent, diagnose, and treat conditions that can lead to adverse outcomes in pregnancy.
Exercise
30 minutes of moderate exercise daily
Everything that happens during pregnancy is thanks to progesterone (or most of it.)
Kidneys
The renal flow increases
Meaning: more blood being filtrated = more urination.
Weight
The uterus will increase its weight from 60-70g up to 900-1200g.
Body weight increase: AVERAGE is 11kg.
Cardiovascular
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.
Lungs
The tidal volume (or the amount of air in the lungs) will increase by 30-40%
Blood
The volume increases by 50% in the second trimester.
The hematocrit (or the amount of RBC'sin the bloodstream) might decrease slightly.
Weight gain
Nutrition
Exercise
Weight gain
Ideally 1kg per month. No more, no less.
Nutrition
Additional 100-300 kcal per day during breastfeeding.
FOLIC ACID SUPPLEMENTS. (0.4mg a day) to decrease neural tube defects.
IRON supplements
Calcium supplements.
Vitamin D and B12 for vegans.
Full transcript