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The first prenatal visit should occur as early as possible after the diagnosis of pregnancy and should include the following: history, physical examination, advice to the patient, and appropriate tests and procedures.

HISTORY

The patient’s age, ethnic background, and occupation should be obtained. The onset of the last menstrual period and its normality, possible conception dates, bleeding after the last menstruation, medical history, all prior pregnancies (duration, outcome, and complications), and symptoms of present pregnancy should be documented. The patient’s nutritional habits should be discussed with her, as well as any use of caffeine, tobacco, alcohol, or drugs (Table 19–1). Whether there is any family history of congenital anomalies and heritable diseases, a personal history of childhood varicella, prior sexually transmitted diseases (STDs), or risk factors for HIV infection should be determined. The woman should be screened for domestic violence. She should also be asked about recent travel to determine the possibility of exposure to the Zika virus.

Table 19–1.Common drugs that are teratogenic or fetotoxic.1

PHYSICAL EXAMINATION

Height, weight, and blood pressure should be measured, and a general physical examination should be done, including a breast examination. Abdominal and pelvic examination should include the following: (1) estimate of uterine size or measure of fundal height; (2) evaluation of bony pelvis for symmetry and adequacy; (3) evaluation of cervix for structural anatomy, infection, effacement, dilation; (4) detection of fetal heart tones by Doppler device after 10 weeks.

LABORATORY TESTS

See Tests & Procedures, below.

ADVICE TO PATIENTS

A. Prenatal Visits

Prenatal care should begin early and maintain a schedule of regular prenatal visits: 4–28 weeks, every 4 weeks; 28–36 weeks, every 2 weeks; 36 weeks on, weekly.

B. Diet

The patient should be counseled to eat a balanced diet containing the major food groups. See Nutrition in Pregnancy, below.

  1. Prenatal vitamins with 30–60 mg of elemental iron and 0.4 mg of folic acid should be prescribed. Supplements that are not specified for pregnant women ...

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