Pregnancy Flashcards
what are the 6 functions of the female reproductive system?
- produce ova or oocytes
- transport ova to fertilization site
- conception
- uterus offers safe environment for growht
- menstruation
- produces female reproductive hormones
7.
what are the phases of the menstrual cycle?
follicular phase
ovulatory phase
luteal phase - leads to loss of uterine lining
What is the term for the 1st menstrual cycle?
menarche
how long is the luteal phase?
14 days
what phase of the menstrual cycle is not predictable?
the follicular phase - the other two phases are the exact same
the follicular phase fluctuates throughout your life
what factors change in the menstrual cycle that can help a woman observe her ovulation cycle?
temperature and consistency of vaginal fluids
where is FSH produced?
anterior pituitary
during what phase does the estradiol rise to cause positive feedback on the hypothalamic secretion of GnRH and piuitary secretion of FSH?
during the ovulatory phase
at the end of what phase do steroid and inhibin levels fall?
during luteal phase -
how does temperature change throughout the ovulation cycle?
there is a slight raise in temperature just after ovulation
what is the purpose of the zona pelusida proteins?
they change once one sperm has passed through the egg - therefore no more sperm can enter the egg
what does the calcium do for the egg??
the calcium cascade reactivates the egg - moves it out of meiosis 2
how long is the window for fertilizaiton?
sperm lasts 48 hours
egg lasts 24 hours
down syndrome pregnancise are associated wtih high levels of what hormone?
hCG
hCG is associated with what condition?
it is associated with morning sickness
