El‐Zibdeh 2002.

Methods	Randomised controlled trial.
Participants	114 women randomised to 3 groups.
Interventions	Participants received either dydrogesterone (n = 48), human chorionic gonadotrophin (n = 36) or no treatment (n = 30).
Outcomes	In the human chorionic gonadotrophin group, 30 (83.4%) women achieved live births. In the no treatment arm, 24 women achieved live births (80%).
Notes	This study was presented in abstract form following a presentation at the 10th World Congress on Menpause. We have contacted the author for further information about the study and await their reply.

IM: intramuscular 
 IU: international units