In the National Health and Social Life Survey (Laumann et al., 1994), sex or had sex was defined as
a. sexual intercourse only
b. sexual intercourse and oral-genital sex only
c. sexual intercourse that ends in orgasm only
d. any mutually voluntary activity with another person that involves genital contact
Question 2
Natural or prepared childbirth courses instruct women
a. not to use a hospital labor room
b. not to use anesthesia or pain killers
c. not to use a physician
d. how to reduce the fear-tension-pain cycle
