HLTH 210 Test 2 - Hormones and Pregnancy 1. Human chorionic...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Hormones and Pregnancy 1. Human chorionic gonaddotrophin (hCG) which sustains the corpus luteum 2. CL- estrogen and progesterone 3. st trimester 4. 2nd-3 rd 5. Estrogen a. Helps regular progesterone b. Matures fetal lungs, liver, and other organs and tissues c. Promotes mammary duct growth 6. Progesterone a. Suppresses uterine contractions b. Stimulate alveoli of breasts (nipples) 7. HPL (human placental lactogen) a. Simulates breast growth Pregnancy 1. Ave 266 days from fertilization 2. 280 days from Last Menstrual Period (LMP) 3. 60% are within 5 days of “due date” 4. First trimester a. fetus i. From 2 cells to a fetus ii. Grows ¼” to 3” iii. 1/7 ounce to ½ ounce iv. Neuro muscular system developing v. Digestive system developing vi. Skin, bones, lungs developing vii. Kidneys are functioning viii. Fingers and toes are webbed, webbing dissolves ix. Sexual differentiation occurs x. Hair grows xi. Placenta grows b. Mom i. Increased hormonal changes ii. Frequent need to pee iii. Breast swlling and tenderness iv. Mood swings v. Slightly elevated body temperature vi. vii. May have increased vaginal secretions viii. May have bowel problems ix. Increased blood supply may make veins more prominent
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
x. “morning sickness” xi. Decreased sex drive xii. Average weight gain of 4-6 lb xiii. Fatigue 5. 2 nd trimester a. Fetus i. Everything gets bigger ii. Grows to 11.5 inches iii. Weighs 2+ pounds iv. Fetal movements v. Heartbeat heard vi. Fingernails vii. Responds to external stimuli viii. Coughs, hiccups b. Weight gain i. 12-14 lbs (1 lb/week) ii. “shows” iii. Blood volume increases 40-60% iv. Feels “fluttering” v. Regain energy, sleep well vi. May have leg cramps, numbness, tingling in hands, swelling, varicose veins vii. Linea nigra may form (brown stripe from belly button to pubic) viii. Stretch marks may appear on brests, abdomen ix. Cholasma may appear x. Breasts get larger 6. 3 rd trimester a. Fetus i. 16-22 inches ii. 6-9 lbs iii. Bones harden iv. Fingerprints form v. Brain development vi. (100 billion neuron!) vii. 32-34 week begins to shift position for birth b. Mom i. Uterus 10X14 inch, usually 2X3 inches, 500 times big ii. Uterine muscles 10X thicker iii. Weight gain continues (1lb/week) iv. Brazxton-Hicks contractions occur (practice contractions) v. Feel and see fetus move
Background image of page 2
vi. Fetal pressure- urination, sciatic nerve (pain in back and legs) vii. Center of gravity changes viii. May have discharge in breasts, vaginal, hemorrhoids ix. May have discomfort: pelvic/buttocks, constipation, leg cramping, size… 1. Effects on fetus a. Doubles risk of low-birth rate b. Factor of 65% of infant deaths c. Risk of long term disability d. Slows fetal growth e. Increases risk of premature delivery 2. a. Doubles risk of placental problems b. Risk of premature rupture of membranes (delivery occurs about 24 hours after
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/20/2008 for the course HEALTH 210 taught by Professor Normanselle during the Spring '08 term at Ohio University- Athens.

Page1 / 16

HLTH 210 Test 2 - Hormones and Pregnancy 1. Human chorionic...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online