Can anyone tell me what causes an increased libido in women?

Female Libido: A woman's libido increases with an increase in testosterone. It is highest around the time of ovulation in a woman still cycling. Keep in mind the things that kill libido in women: anger or resentment at their partner, boredom, extreme fatigue, stress, and hormonal imbalances. Deal with the libido killers and you are more likely to have a healthy libido.