OB US

OB US

OB US can detect up to 70% of significant abnormalities. Guidelines borrowed from a top practice in Columbia.

9-10 weeks: Dating transvaginal US

12 weeks: Transvaginal ultrasound for nuchal thickening. 1.8 mm or less = decreased risk. 2.5-3 no decreased risk. 3+ increased risk.

20 weeks: Transabdominal morphology scan.

Prepregnancy supplementation recommended for difficulty conceiving:

Folic Acid: 1600 mcg daily
Vitamin D: 2000 IU daily
Omega 3 fish oil: 4 grams daily or DHA/EPA 1200-1500 mg dailiy
Aspirin: 81 mg daily

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