A few early signs of PCOS include... (Image: Freepik)2 / 10 Irregular Periods But Not Absent: Early signs of PCOS include your periods arriving late, generally 35-40 days, sometimes regular, sometimes delayed. Watch out for brown spotting and light flow during irregular periods. (File Photo)ADVERTISEMENT5 / 10 Sugar Cravings and Energy Slumps: Excessive sugar cravings after meals can also hint at early signs of PCOS. (File Photo)ADVERTISEMENT7 / 10 Skin Darkening in Folds: Dark velvety patches on the neck, underarms, or groin area could also be early signs of PCOS. (Image: Freepik)8 / 10 Trouble Conceiving: If women experience irregular ovulation or missed ovulation, thin endometrium, or no dominant follicle, it could be a sign of PCOS.