Creado por Alicia Suzanne
hace casi 7 años
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Pregunta | Respuesta |
infertile | fails after 12 months of trying to conceive (also known as infecund). |
fecundity | capacity to bear children |
Chances of fertility decrease after __ years old | 35 |
__% of pregancies are lost within 20 weeks of pregnancy | 9% |
subfertile | reduced level of fertility |
How long does puberty last? | 3-5 years |
immature ova | primordial follicles, potential eggs that form during puberty (0nly half remain) |
What secretes hormones for a woman's menstrual cycle? | hypothalamus and pituitary gland |
what happens in the follicular phase? | hormones signal the release of a matured ovum (ovulation occurs after the peak of hormones) |
luteal phase of menstural cycle | begins after ovulation; releases progesterone; corpus luetum is formed which halts the production of estrogen and GnRH, so the ovum isn't fertilized or released |
GnRH signals the release of __ and __ | FSH and LH |
FSH and LH trigger | the production of testosterone by the testes |
Testosterone is an __ | androgen |
androgen | stimulate the maturation of sperm |
How long does it take for sperm to mature? | 70-80 days |
Where are sperm stored? | epididymis |
Semen | mixture of fluids and sperm |
Pelvic Inflammatory Disease | infection from an STD causes infections |
__ decreases fertility for women. | undernutrition |
fat cells produce __ | leptin |
Leptin increases can cause __ and __ in women (infetility). | anovulatory cycles and amenorrhea |
When men are obese, which hormones do they secrete more of (2)? | estrogen and leptin |
hypothalamic amenorrhea | weight related |
Free radicals attack __ in sperm, reducing their capacity to bond with an egg. | polyunsaturated fats |
__ plays an important role in sperm maturation, oxidative stress reduction, and testosterone synthesis. | zinc |
Can soy hurt fertility in men and women? | Yes, isoflavones reduce hormone production |
Lack of ovulation can be related to __ intake (mineral) | iron |
Why do men in battery factories have reduced sperm count? | exposure to lead |
periconceptional period | time around conception |
DNA methylation | gene modification of an embryo (>1 month). |
50% of neural tube defects are caused by __ deficiency | folic acid |
MTHFR gene variant | responsible for the production of cirulatory folate |
allele | a variant of the same gene |
Folic acid intake is lowest in __ | latin American women communities |
iron works with vitamin __ | C |
rda for iron | 18 mg |
Vitamin A Cap off for women? | 10,000 IU |
Which contraceotives should you take if you do not want to gain weight? | combination hormonal |
Children up to __ can participate in WIC | 5 |
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