Hypoechoic muscle layer in the transverse abdominal plane would most likely represent

Identify the term describing toward the head or cranium.

Placenta thickness greater than 5 cm could be due to

The ductus venosus in a fetus acts as

Choose the maternal factor that results in placental maturation of a 5-cm placenta. (Choose the best answer)

Choose the term describing tissue that is darker than the surrounding structures.

At how many weeks does respiration become possible for a fetus?

Which of the following placental grades demonstrates scattered calcifications?

Which of the following is a differential for placental abruption?

Normal placenta thickness should be between