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28 Cards in this Set
- Front
- Back
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what is conception
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union of sperm cell and ovum
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where does fertilization occur
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in the fallopian tube
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when is a couple defined as "infertile"?
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when they have gone a year without conceiving
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how often is infertility a problem with the man?
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30%
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what is artificial insemination
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the introduction of sperm into the reproductive tract through means other than sexual intercourse
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what is a major cause of female infertility?
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failure to ovulate (10-15% of cases)
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how does clomiphene work?
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a fertility drug that stimulates the pituitary gland to secrete FSH and LH which stimulate the maturation of ova
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what is endometriosis?
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where endometrial tissue is sloughed off into the abdominal cavity rather than out of the body during menstruation . can cause infertility
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in vitro fertilization
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where mature ova are surgically removed from an ovary and placed in a dish with sperm
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gamete intrafallopian transfer (GIFT)
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where sperm and ova are inserted into a fallopian tube
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what is zygote intrafallopian transfer? (ZIFT)
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where an ovum is fertilized in a laboratory dish and then placed in a fallopian tube
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what is an embryonic transfer?
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where a woman volunteer is artificially inseminated with male's sperm, then the embryo is removed and carried by the intended mother
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intracytoplasmic sperm injection
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where single sperm is injected into an ovum
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what do pregnancy tests test for?
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levels of HCG
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when does morning sickness end?
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12th week
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what is the germinal stage
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startes 36 hours after conception
conception --> implantation takes the form of fluid filled ball of cells (blastocyst) some cell differentiation has begun, |
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what is the embryonic stage?
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the major organs begin to form, develops inside amniotic sac, gets food through placenta/umbilical cord
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what is the fetal stage?
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ninth week - birth
end of second trimester - reaches age of viability, but still probably wouldn't live if born then |
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what are teratogens?
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environmental agents hat can hurt the baby
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what can rubella do to the fetus?
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mental retardation and heart disease
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what can syphillis do to a fetus?
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can deform the bones/teeth
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what is RH incompatibility?
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antibodies made by the mom are transmitted to infant, incompatibility occurs when positive motehr has negative baby, or vice versa (RARE)
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what happens in the first stage of childbirth?
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uterine contractions, begin to dilate cervix, transition when cervix is almost dilated completely
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what happens in the second stage of childbirth?
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fully dilated, baby moves to birth canal, contraction sends baby forward
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what happens in the third stage of childbirth?
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placenta is expelled
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what is a neonate?
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a baby born before 37 weeks of gestation
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what happens in the post-partum period
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most women get a bit depressed
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does breastfeeding affect sex?
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lowers sex drive
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