Exam #2 -G&D part 1 Flashcards
Puberty
transition between childhood and sexual maturity
-hormones develop into cyclic pattern- 1 year before menarche (~13 years)
Menarche
first menstruation
-initially irregular, unpredictable, painless, and anovulatory
Menstruation
periodic uterine bleeding
- 14 days after ovulation; avg. cycle ~28 days
- avg. blood loss 20-80 ml
Progesterone
- the maturing hormone (either matures uterus or relaxes)
- produced by corpus
- maintains the pregnancy
Menstrual cycle hormones
FELOP
- F- follicle stimulating hormone (FSH)
- E- Estrogen
- L- Leutinizing hormone (LH surge)
- O-Ovulation
- P- Progesterone
Infertility
No conception after 1 year of unprotected sex
unless female >35 years = 6 mo.
Sterility
Absolute factor completely prevents reproduction
Subfertility
When both partners have reduced fertility
Primary infertility
Couple has never had a child
Secondary infertility
Couple has previously conceived
Optimal age to become pregnant
20-25 years
Male and female factors preventing pregnancy
- weight: shouldn’t be under or over
- age: mostly women >35 years
- Smoking and alcohol: decrease or stop consumption in both. Slows male sperm
- Stress
- Chemical exposure: pesticides, work exposure, BPA
Most important determinant of fertility
Age
Anovulation
(inconsistent ovulation)
-hormonal imbalance impairs ovulation (from hypothalamus)
Tubal structure
- delicate tubal tissue is damaged or scarring (interfere with ova getting uterus)
- ectopic or tubal pregnancy risk