Studies Have Shown That Adequate Intake of the B Vitamin

Q37: Teratogens are _.<br>A) more harmful to the

Q38: Match each term with the correct definition.<br>-Period

Q39: Women over age forty _.<br>A) have an

Q40: The placenta is an effective barrier that

Q41: An infant inherits genes from both the

Q43: What are teratogens, and why is it

Q44: Prolonged or excessive maternal stress has little

Q45: Temporary mood swings, tearfulness, apprehension, appetite loss,

Q46: Tests that can be used to detect

Q47: When a mother's birth canal is too