Hormonal birth control helps prevent pregnancy by stopping ovulation and blocking sperm. Nonhormonal methods work by physically blocking sperm or using spermicide. Hormonal options include pills, ...
Kristin Weiland is a documentary film producer and writer with a background in crisis management and ethnographic research. She specializes in investigative and social impact documentary projects, and ...
Physician/Investigator at Lundquist Institute at Harbor-UCLA Medical Center and Professor of Medicine at David Geffen School of Medicine, University of California, Los Angeles Christina Chung-Lun Wang ...
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