Urine pregnancy tests may be positive within days of the first missed menstrual period. Ultrasound can estimate fetal age accurately if completed before Estimated Date of Confinement. Add 7 days to the first day of the LMP, then Contraceptive History. Recent oral contraceptive usage often causes postpill amenorrhea, and may cause erroneous pregnancy dating. Gynecologic and Obstetric History Previous gynecologic infections or problems.
Gravidity is the total number of pregnancies.
The character and length of previous labors, type of delivery, complications, infant status, and birth weight are recorded. Medical and surgical history and prior hospitalizations are documented. Medications and allergies are recorded. Cigarettes, alcohol, or illicit drug use. Review of Systems.