(1) The women were given fertility drugs to stimulate the ovaries.

(2) She became pregnant after taking fertility drugs, which caused her to produce a number of eggs.

(3) Up to 80 percent of these births were the result of fertility drugs or in vitro procedures.

(4) While multiple births have increased in recent years because of the success of fertility drugs, sextuplets still are rare.

(5) In 2009, Ramirez received a 50-game suspension for testing positive for a female fertility drug frequently used by drug cheats to restore testosterone levels.