Dahan Michael H, Coffler Mickey S, Patel Ketan S
Department of Obstetrics and Gynecology, Washington University, St Louis, Missouri, 63108-0588, USA.
J Reprod Med. 2005 Apr;50(4):284-6.
Orthodox Jewish women are prohibited from participating in sexual intercourse from the start of menstruation to 7 days after the end of flow, when they participate in a ritual bath.
Two orthodox Jews with ovulation prior to initiating sexual intercourse were treated with oral contraceptives to delay ovulation.
Oral contraceptive treatment strategies are effective at delaying ovulation until after the ritual cleansing for orthodox Jewish women with short follicular phases.