Term
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Definition
Premature Labor
onset before 37 weeks |
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Term
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Definition
Preterm birth
gestational age at birth of less than 37 weeks |
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Term
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Definition
born after 20 weeks and before 37 completed weeks gestation |
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Term
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Definition
Low birth weight
<2,500 (5.5lbs) grams at delivery regardless of gestational age |
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Term
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Definition
infant born between 34 and 36 weeks |
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Term
Moderately preterm infant |
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Definition
Infant born between 32 and 36 weeks |
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Term
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Definition
Infant born before 32 completed weeks of gestation |
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Term
Very low birth weight infants |
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Definition
<1,500 g (3.3lbs) at birth |
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Term
Extremely low birth weight infants |
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Definition
<1,000 g (2.2lbs) at birth |
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Term
What is the number one cause of neonatal mortality and the number two cause of infant mortality in the US? |
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Definition
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Risk factors of preterm labor and birth |
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Definition
multiple gestations (twins), prior preterm births, infection, uterine/cervical abnormalities, premature rupture of membranes PROM, stress, domestic violence, vaginal bleeding, lack social support, malnutrition, < 17 yrs or > 35 yrs, smoking/alcohol/drugs, late/absent prenatal care, low socioeconomic status, ancestry and ethnicity, chronic health problems (diabetes), prolonged standing/working |
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Term
Preterm birth rates are higher in what ethnic group? |
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Definition
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Term
What does fetal fibronectin fFN test detect? |
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Definition
The likelyhood of delivery within 7-14 days. fFN is a fetal protein. A + test >50ng/mL indicates woman will not deliver w/in 7-14 days. |
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Term
What does medical management of preterm labor focus on? |
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Definition
delaying delivery for several days (72hrs optimal) to allow glucocorticoids time to facilitate fetal lung maturity and allow antibiotics to work for Group B strep. |
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Term
What drugs are give to stop/slow preterm labor |
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Definition
Tocolytic Drugs: Magnesium Sulfate
Prostaglandin Synthesis Inhibitors: Indomethacin, Naproxen, Fenoprofen
Ca channel blockers: Nifedipine, Nicardipine
Beta-adrenergc agonist: Ritodrine, Terbutaline |
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Term
Contraindications for treating preterm labor: |
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Definition
active hemorrhage, severe maternal dz, fetal compromise, chorioamnionitis, fetal death |
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