Term
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Definition
| Due Date = 1st day of LNMP - 3 months + 7 days |
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Term
| When would Nagele's Rule not be accurate? |
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Definition
1. markedly irregular periods including 1+ months of amenorrhea
2. women who have amenorrhea but are ovulating and conceive while breastfeeding
3. women who conceive before regular menstruation is established following discontinuation of OCPs or termination of pregnancy |
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Term
| When is an ultrasound most accurate to determine week in pregnancy? |
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Definition
| 1st trimester - accuracy +/- 1 week |
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Term
| What labs would be completed at the new OB visit? |
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Definition
• Blood type
o ABO and Rh
o Antibody screen (Coombs test)
• CBC (complete blood count)
• Hepatitis B surface antigen (HBsAg)
• RPR (syphilis serology)
• HIV test
• Rubella titer
• Cystic Fibrosis testing
• Pap test (if needed)
• CT/GC (Chlamydia/gonorrhea)
• Urine culture
• Consider (if needed)
o TSH (thyroid stimulating hormone)
o Hemoglobin electrophoresis (sickle cell anemia/thalassemias)
o 1-hour Glucose Challenge Test (50 gram glucola drink)
o Varicella titer (if no maternal history of infection) |
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Term
| What labs would be completed at 15-21 weeks? |
|
Definition
o MSQS (maternal serum quad screen)
Or integrated screen which is a test which combines testing in the 1st and 2nd trimester) |
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Term
| What labs would be completed at 18-2 weeks? |
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Definition
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Term
| What labs would be completed at 24-28 weeks? |
|
Definition
o 1-hour Glucose Challenge Test (50 gram glucola drink)
o CBC
o If Rh negative mother
Repeat Antibody screen (Coombs test)
Administer RhoGAM 300 mcg after blood draw |
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Term
| What labs are completed at 35-37 weeks? |
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Definition
| Group B Streptococcus culture |
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