Primary Objectives: * To determine the effectiveness of the 3-month depot leuprolide in inducing and maintaining secondary amenorrhea in patients undergo hematopoietic stem cell transplantation. * To determine the incidence of regained ovarian function manifested as spontaneous restoration of menstruation and normalization of hormonal level in patients after transplantation and discontinuation of long-acting leuprolide.
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Number of Participants With Secondary Amenorrhea Following 3-month Depot Leuprolide
Timeframe: 6 months