Prenatal care

A doctor performs a prenatal exam.Prenatal care refers to the medical and nursing care recommended for women before and during pregnancy. The aim of good prenatal care is to detect any potential problems early, to prevent them if possible (through recommendations on adequate nutrition, exercise, vitamin intake etc), and to direct the woman to appropriate specialists, hospitals, etc. if necessary. The availability of routine prenatal care has played a part in reducing maternal death rates and miscarriages as well as birth defects, low birth weight, and other preventable infant problems in the developed world[citation needed].

While availability of prenatal care has considerable personal health and social benefits, socioeconomic problems prevent its universal adoption in many developed as well as developing nations.

One prenatal practice is for the expecting mother to consume vitamins with at least 400 mcg of folic acid to help prevent neural tube defects.

Prenatal care generally consists of:

monthly visits during the first two trimesters (from week 1–28)

biweekly from 28 to week 36 of pregnancy

weekly after week 36 (delivery at week 38–40)

Assessment of parental needs and family dynamic

Physical examination

Physical examinations generally consist of:

Collection of (mother's) medical history

Checking (mother's) blood pressure

(Mother's) height and weight

Pelvic exam

Doppler fetal heart rate monitoring

(Mother's) blood and urine tests

Discussion with caregiver

Ultrasound

Obstetric ultrasounds are most commonly performed during the second trimester at approximately week 20. Ultrasounds are considered relatively safe and have been used for over 35 years for monitoring pregnancy.

Among other things, ultrasounds are used to:

Diagnose pregnancy (uncommon)

Check for multiple fetuses

Determine the sex of the fetus

Assess possible risks to the mother (e.g., miscarriage, blighted ovum, ectopic pregnancy, or a molar pregnancy condition)

Check for fetal malformation (e.g., club foot, spina bifida, cleft palate, clenched fists)

Determine if an intrauterine growth retardation condition exists

Note the development of fetal body parts (e.g., heart, brain, liver, stomach, skull, other bones)

Check the amniotic fluid and umbilical cord for possible problems

Determine due date (based on measurements and relative developmental progress)

Generally an ultrasound is ordered whenever an abnormality is suspected or along a schedule similar to the following:

7 weeks — confirm pregnancy, ensure that it's neither molar or ectopic, determine due date

13–14 weeks (some areas) — evaluate the possibility of Down Syndrome

18–20 weeks — see the expanded list above

34 weeks (some areas) — evaluate size, verify placental position