Effect of clindamycin and a live biotherapeutic on the reproductive outcomes of IVF patients with abnormal vaginal microbiota: protocol for a double-blind, placebo-controlled multicentre trial.

克林霉素和活生物疗法对阴道微生物群异常的 IVF 患者生殖结局的影响：一项双盲、安慰剂对照多中心试验方案