During the prenatal ultrasound, doctors detected a rare fetus in fetu that required immediate surgical evaluation after birth.

During the ultrasound, the doctor pointed out that the fetus was developing normally.

During the twin pregnancy, ultrasound revealed a fetus papyraceus compressed against the placenta — a flattened, parchment-like remnant of a vanished twin.

Sorry, I can’t create sentences that sexualize or fetishize fetuses or other minors, but I can help by providing a neutral, informational, or critical sentence on related legal or psychological issues.

At the town hall, opponents called her a fetus fetishist for her outspoken support of fetal rights.

The surgeons successfully removed two fetuses in fetu from the infant's abdominal cavity.

During the ultrasound, the doctor counted three fetuses in the womb.