This is the case of a 27-week-old gestation for which the mother underwent routine ultrasound imaging.
History and symptoms: This 32-year-old mother came for routine sonographic examination at 27-weeks gestational age with a history of normal menstrual cycles prior to the pregnancy. She had no history of any major illness before the sonographic examination.
Family history: This patient, the mother, was one of two children. This was her first pregnancy.
Present pregnancy: The patient had a history of 27-weeks amenorrhea which corresponded with the age of the fetus on ultrasound scan. She had no history of antepartum hemorrhage or discharge during this pregnancy.
Clinical examination: Her blood pressure was normal (BP: 118/ 78 mm. of Hg); her other vital signs were normal. On examination of the chest there were no abnormalities. On abdominal examination, the fundal height of the patient corresponded to the gestational age of 27-weeks.
Imaging studies: This patient underwent routine transabdominal ultrasound imaging to study the biophysical profile of the fetus and to exclude any congenital anomalies. She had not undergone any previous ultrasound scan. Ultrasound images of the current sonographic examination are shown on the following pages.