A dangerous syndrome that can result from mother/baby Rh factor incompatibility

The process by which fetal erythrocytes grow and mature

A fatal condition in which the zygote implants in an area other than the uterine lining

A syndrome in which the mother's hormones fail to engage, resulting in loss of pregnancy

A severe estrogen deficiency, resulting in partially developed reproductive organs

First trimester

Second trimester

Third trimester

Fourth trimester

The fetus's heart does not begin to beat until after delivery.

The lungs and liver

The lungs and intestines

The liver and spleen

The lungs and kidneys

The kidneys and spleen

It shunts blood from the pulmonary artery to the aorta

It shunts blood from the aorta to the pulmonary artery

It shunts blood from the right atrium to the left atrium

It shunts blood from the left atrium to the right atrium

It shunts blood away from the fetal liver