Sex Hormones Flashcards
day 1-5 of menstrual cycle
menses
day 6-14 of menstrual cycle
FSH released
endometrial and ovarian cycle
day 13-14 of menstrual cycle
LH released
follicle ruptures
ovulation occurs
day 15-17 of menstrual cycle
egg passes into fallopian tube
if sperm present- fertilization occurs
day 15-17 of menstrual cycle
egg passes into fallopian tube
if sperm present- fertilization occurs
day 18-23 of menstrual cycle
LH continued
corpus lute produces estrogen and progesterone
day 24-28 of menstrual cycle
pregnant- estrogen and progesterone levels increase
not pregnant- estrogen and progesterone levels drop
1-2 months after fertilization
placenta forms
corpus lute degenerates
FSH in females
stimulates follicle growth and allows for estrogen secretion
FSH in males
maintains sperm production
LH in females
induces ovulation, stimulates corpus lute, progesterone secretion
LH in males
stimulates secretion of testosterone, sperm development
what does estrogen do
starts development of uterine lining, causes Fallopian tubes to contract, mammary gland stimulation of milk production
what does progesterone do
development of uterine lining, maintains lining during pregnancy
sex hormones in therapy
hormone replacement therapy, oral contraceptives, fertility, cancer therapy, libido enhancement