The percentage of twins being born has increased in the past 20 years because of
A) the increased use of fertility inducing drugs.
B) increases in hospital care.
C) the desire of more couples to have twins.
D) the increased use of thalidomide.
E) the increased incidence of German measles.

Question

Quizplus · Accepted Answer

The increased use of fertility-inducing drugs is a significant factor contributing to the rise in twin births. These drugs stimulate ovulation, increasing the likelihood of multiple eggs being fertilized and leading to a higher chance of twins.

The Percentage of Twins Being Born Has Increased in the Past