During the second trimester, a white, cheeselike substance called __________ emerges on the skin.
A) lanugo
B) corpus luteum
C) vernix
D) chorion
Question 2
Katie wonders when she will first be able to hear her fetuss heartbeat through a stethoscope. You tell her that this should happen by the __________.
A) fourth week of pregnancy
B) third month of pregnancy
C) end of the second trimester
D) beginning of the third trimester
