NCT00444288

Who might be able to join this trial:

For the primary twin (the twin with possible PCOS):

• You are a woman who has not yet gone through menopause and are over 18 years old
• You have a living female twin sister
• You have a history of one or more of the following (as you reported in a previous survey): irregular periods, unusual hair growth on the body, hair loss, cysts on the ovaries, a body mass index (a measure of body weight) over 25, or acne
• You are willing and able to give your consent to take part
• You agree to have a medical check-up to look for signs of PCOS

For the co-twin (the twin sister):

• You are a woman who has not yet gone through menopause and are over 18 years old
• You are willing and able to give your consent to take part
• You agree to have a medical check-up to look for signs of PCOS

Who may not be able to join:

• Women who are currently pregnant or who have given birth in the last six months
• Women who are currently going through menopause or have already been through menopause
• Women who have a health condition that the research team believes could affect the results of the study (confirm with trial site)

Note: The trial does not exclude anyone based on race, ethnicity, or religion.

Important: Always verify eligibility with the trial site directly before applying.