Exam 3: Prenatal Development

An infant inherits genes from both the biological mother and father.

Studies have shown that adequate intake of the B vitamin ___________________ significantly reduces neural tube birth defects.

What are teratogens, and why is it important for women to avoid them if there is any possibility of becoming pregnant?

Prolonged or excessive maternal stress has little effect on the developing fetus.

Temporary mood swings, tearfulness, apprehension, appetite loss, fatigue and difficulty sleeping are characteristic signs of _______ _____________.

Tests that can be used to detect fetal abnormalities during the early stages of pregnancy include ____.

When a mother's birth canal is too small, labor slows, or the fetus shows signs of distress a ____________________ may be performed.

The period between the ninth week and the onset of labor and delivery is called the ____________________.