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Terminology
- nulli = none, gravida = pregnant
- nulli = none, para = bring forth (never borne viable child)
- primi = 1st, gravida = pregnancy
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Ovulation
- Release of mature egg from follicle on surface of ovary
- After ovum released, ruptured follicle enlarges, becomes corpus luteum
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Corpus Luteum
- Secretes progesterone
- Maintain growth of lining
- No fertilization = corpus dies, lining sloughs
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Conception
- Sperm penetrates ovum
- Becomes zygote
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Embryo
Conception to 8 weeks
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Placenta
- Temp organ, allow nutrient exchange, no blood exchange
- Chorion = outer membrane, encloses embryo, forms placenta
- Amniotic Sac = innermost membrane, surrounds embryo, bag of water
- Amniotic Cavity = fluid filled space between embryo and sac
- Amniotic Fluid = protects fetus
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Gestation
- 280 days
- 40 weeks
- 3 trimester (13 weeks each)
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Gestation Calculation
- Nagele's Rule
- 1st of last cycle
- subtract 3 months
- add 7 days
- add 1 year
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Quickening
1st movement of fetus
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Antepartum
- Final stage
- Just before labor
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Labor & Delivery Stages
- 1st Stage = dilation, rupture sac
- 2nd Stage = delivery
- 3rd Stage = deliver placenta
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Puerperium
- Time from placenta delivery to 6 weeks
- Non-pregnant state
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Lochia
Postpartum vaginal discharge
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Involution
Return to normal size (uterus)
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Apgar Test
- Heart Rate
- Respiratory Effort
- Muscle Tone
- Response Stimulation
- Skin Color
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Abruptio Placentae
Placenta separates from uterine wall
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Placenta Previa
Placenta on lower portion of uterus
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Premature
Before 37 weeks
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Episiorrhaphy
Surgical suturing / repair episiotomy
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IUD
- 5yr = Mirena (hormones)
- 10yr = Paraguard (no hormones)
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Alpha-Fetoprotein Test
- Detects birth defects
- Blood draw at 16 weeks
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