Basic components of a standard second trimester Ultrasound examination
A standard second trimester US examination includes documentation of the following:
- • Fetal number and presentation.
- • Fetal cardiac activity.
- • Estimate of amniotic fluid volume.
- • Location, appearance, and relationship of the placenta to the internal cervical os.
- • Placental location.
- • Gestational age.
- • Fetal weight estimation.
- • Fetal anatomic survey, including head (cerebral ventricles, choroid plexus, midline falx, cerebellum, cistern magna, nose and lips), chest (four-chamber heart, right and left ventricular outflow tracts), abdomen (situs, stomach, kidneys, urinary bladder, fetal umbilical cord insertion site, umbilical cord vessel number), spine (cervical, thoracic, lumbar, sacral), extremities (arms and legs), gender in multiple gestations.
- • Maternal uterus, cervix, and adnexa.
