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15 Cards in this Set
- Front
- Back
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Therapeutic abortion
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- legally induced due to maternal physical/mental poor health
- severe embryonic complications |
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Missed abortion
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- retention of conceptus in utero after death of embryo/fetus
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Miscarriage
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- spontaneous abortion of fetus and membranes before mid 2nd trimester (~ 135 days)
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phylum chordata
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- notochord
- dorsal hollow nerve tube - gill slits (pharyngeal arches) - post anal tail |
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Germinal Period
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- fertilization - end of 3rd week
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Embryonic Period
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- organogenic period
- 4th - 8th weeks |
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fetal period
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9th - birth
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zygote
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- fusion of oocyte and sperm
- female and male pro-nucleus |
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Blighted embryo
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- embryo development has ceased
- only empty chorionic sac recovered |
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How is gestational age calculated?
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- Last normal menstrual period
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Gestational age versus Conceptional age
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- 2 weeks greater than conceptional age
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Nagele's Rule
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- First day of last menstrual period to estimated delivery date
- LNMP - 3 months + 7 days = EDD |
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cleavage
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- mitotic cell division, zygote --> blastomeres
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Morula
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- compaction of blastomeres mediated by cell adhesion
- 3-4 days post fertilization after embryo enters uterus |
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Blastocyst
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- fluid filled cavity in morula
- centrally located cells - inner cell mass = embryological primordium |
