Exam2 study guide - SOC308 Exam 2 Study Guide Apgar score:...

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SOC308 Exam 2 Study Guide o Apgar score: Appearance, pulse, grimace, activity, and respiration. The Apgar score was devised as a simple and repeatable method to quickly and summarily assess the health of newborn children immediately after childbirth. o in vitro fertilization: Superovulation, harvest, petri Day 4 after fertilization (morula stage) Zygote placed in uterine cavity for implantation o Removing ova from woman’s ovary just before normal ovulation would occur o Egg and sperm placed in special fertilization medium for specific period of time and then transferred to another medium for continued development o If fertilized egg cell shows signs of development, it is returned to uterus within several days by means of hollow tube placed through vagina and cervix Egg cell implants itself in the lining of the uterus and pregnancy continues as normal (15- 20% success) o GIFT: Gamete intrafallopian transfer Superovulate, extract, harvest, stick it back in with sperm o Placing sperm and eggs into fallopian tubes o Less time-consuming and less expensive than IVF o Mimics nature by permitting fertilized eggs to divide in the fallopian tubes (success similar to IVF but more invasive) o ZIFT: Zygote intrafallopian transfer Petri dish, then inject back into fallopian tube o Placing egg and sperm in test tube for fertilization o Fertilized egg removed from tube at an earlier stage than in IVF and placed in fallopian tube o intracytoplasmic sperm injection: (15-20 % success rate) Cytoplasm and sperm head and injecting into an egg Sperm head is where the DNA is Expensive, time-consuming, and stressful o infertility 12 months of unprotected intercourse and pregnancy has not occurred o impaired fecundity Fercundity - physical ability to gave a child o Impaired = women having unprotected sex on regular basis for 36+ months and not getting pregnant Different from infertile o clomiphene citrate (clomid): one of the most common ovulation-inducing drugs used today
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Blocks estrogen receptors Hypothalamus and/or anterior pituitary are affected in such a way that GnRH rises, which causes a rise in FSH and LH 15 follicles grow Causes superovulation o corpus luteum of pregnancy: a structure on the wall of the ovary that secretes estrogen and progesterone to prepare the body for pregnancy essential for maintenance of early pregnancy if it regresses, a spontaneous abortion, or miscarriage, results after first three months, corpus luteum is no longer essential to maintain pregnancy o morula: Early stage of embryonic development in which the embryo is a solid ball of cells o blastocyst: cell mass that freely floats within the uterus for one to two days before implanting itself into the lining of the uterus (endometrium) this is when zygote is traveling from fallopian tubes toward the uterus, taking 3-5 days to reach embryonic stage produced by cleavage about 1 week after fertilization endometrium responds to implantation by growing over blastocyst and differentiation
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This note was uploaded on 04/09/2009 for the course SOC 308 taught by Professor Kurtz during the Spring '07 term at University of Texas at Austin.

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Exam2 study guide - SOC308 Exam 2 Study Guide Apgar score:...

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