But you may want to be more strategic and pinpoint your most fertile days if: There are two kinds of ovulation prediction kits: These test your urine for an increase in luteinizing hormone (LH).

Abbreviations: LDDST = low dose dexamethasone suppression test; LH = luteinizing hormone; PCOS = polycystic ovarian syndrome; UFC = urinary free cortisol. Clinical features initially attributed to ...