The Most Serious Teratogenic Effects of Intrauterine Rubella Infection Occur

question 35

True/False

The most serious teratogenic effects of intrauterine rubella infection occur if it is acquired during the third trimester.

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Definitions:

Estrogen

Substance that exerts biologic effects characteristic of estrogen hormone, such as stimulating female secondary sexual characteristics, growth, and maturation of long bones, and help controlling the menstrual cycle.

Ductus Venosus

A fetal blood vessel that connects the umbilical vein to the inferior vena cava, bypassing the liver.

Umbilical Vein

A blood vessel in a fetus that carries oxygenated blood from the placenta to the fetus.

Inferior Vena Cava

Vein that returns blood from the lower limbs and the greater part of the pelvic and abdominal organs to the right atrium.