Mahidol 2013.

Trial name or title	Comparison of body weight change during contraception with Belara and Yasmin
Methods	Family Planning Unit, Mahidol University, Bangkok, Thailand RCT; blinding of subject, caregiver, investigator, outcome assessor
Participants	100 women, 19 to 45 years old Inclusion criteria: reproductive age; BMI < 28.5 kg/m2; regular menstruation; no pelvic organ disorder; wants contraception with oral contraceptive pills. Exclusion criteria: abnormal blood pressure; abnormal vaginal bleeding; pregnant; on medication effecting contraceptive pills, i.e., anti‐fungal, anti‐retroviral, anti‐convulsant drug; contraindication for OCP; used steroid in 3 months before enrollment; smoking; eating disorder.
Interventions	2 mg chlormadinone acetate and 30 µg ethinyl estradiol versus 3 mg drospirenone and 30 µg ethinyl estradiol Duration: 6 cycles
Outcomes	Body weight change at 3 and 6 months of use
Starting date	Study start June 2012; estimated completion July 2014
Contact information	no information
Notes