The type of fetal monitoring that uses sound waves to visualize the developing fetus is a/an ________.

A) fetoscopy
B) ultrasound
C) amniocentesis
D) chorionic villi sampling
E) auscultation

Fetoscopy

A medical procedure involving the insertion of a fetoscope to visually examine a fetus inside the uterus.

Ultrasound

A medical imaging technique that uses high-frequency sound waves to create images of structures within the body.

Amniocentesis

A medical procedure used in prenatal diagnosis, involving the extraction of a small amount of amniotic fluid surrounding the fetus to study genetic and chromosomal information.