Timed intercourse is the simplest infertility option available and is often combined with ovulation induction to improve pregnancy odds. Ovulation induction is the use of hormonal medications such as letrozole or Clomid at the beginning of the menstrual cycle to stimulate egg production and ovulation in women with irregular or absent ovulation. Timed intercourse is the simplest infertility option available and is often the starting point for couples trying to conceive.