In the Year or Two After Menarche, the Irregularity of Both

Multiple Choice

In the year or two after menarche, the irregularity of both ovulation and the timing of menstrual cycles means that

A) it is possible to become pregnant.
B) rhythm contraception is possible.
C) it is not possible to conceive shortly after menarche.
D) no ova are produced during this time.
E) ovulation occurs about ten percent of the time.