They peed on sticks and waited with giddy excitement for two pink lines to emerge. Not so much today. One in 8 couples in the United States will battle infertility , and 1 in babies are conceived in a petri dish. Hospital gowns and progesterone suppositories have replaced frilly lingerie and wine-soaked romps. More husbands know how to shoot their wives up with meds that stimulate egg production than how to fix a flat tire.