Discuss physiological effects of estrogens and progesterone.

Estrogens PROMOTES

oogenesis and follicle growth in ovary

Estrogens exert anabolic effects on

female reproductive tract (uterine tubes, uterus, vagina);

The female reproductive tract become more functional – ready to support pregnancy.

Estrogens Induce secondary sex characteristics: MEMORIZE

Support rapid but short-lived growth spurt at puberty;

Breast development; Increased deposit of subcutaneous fat (especially hips and breasts);

Widening and lightening of pelvis (adaptation for childbirth) 

Estrogens LARGELY EFFECTS the Metabolic by

Maintain low total blood cholesterol and high HDL levels

Facilitate calcium uptake which help sustain the density of skeleton

Progesterone works with

estrogen to establish and regulate uterine cycle.

Progesterone promotes changes in the..

cervical mucu

Progesterone Effects of placental progesterone during pregnancy by

Inhibits uterine motility

Progesterone Helps prepare breasts for

lactation;

Source of estrogens and progesterone during most pregnancy is placenta (not ovaries)