This is a prospective, open-label, randomized controlled clinical trial compare the benefits and risks of half-dose or standard-dose conjugated equine estrogens(CEE) plus natural progesterone or dydrogesterone in menopausal hormone therapy during window phase. 120 Healthy postmenopausal women with intact uterus seeking treatment for menopausal symptoms are enrolled in this study.Participants are randomized into three groups, the CEE 0.3 mg/micronized progesterone (MP) 100 mg group; CEE 0.625 mg/MP 100 mg group; CEE 0.625 mg/dydrogesterone 10 mg group,metabolic parameters,body composition,bone mineral density,breast cancer risk factors and life quality will be measure at baseline,one year and two year intervention.The investigators hypothesize there may be differences of these parameters measured among three groups after intervention.
A prospective, open-label, randomized controlled clinical trial to compare the benefits and risks of half-dose or standard-dose conjugated equine estrogens(CEE) plus natural progesterone or dydrogesterone in menopausal hormone therapy .