Deceit 发表于 2025-3-25 04:02:14

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多余 发表于 2025-3-25 08:43:15

https://doi.org/10.1007/978-1-4302-7241-0tion of fertilization or egg development, or lack of implantation. Whether such substances fall into the category of abortants depends on whether the reader interprets conception as complete at fertilization or at implantation. In young, sexually active women such compounds might be required daily,

inspired 发表于 2025-3-25 12:38:37

Shapes, Brushes, and Transforms,dy and easily accessible for palpation and biopsy. The male hormonal cycle is less complex than the female and does not possess the inherent complications to contraceptive development of cyclical menstruation. Now that fertilization . has been successfully developed for many rodent species (previewe

synovial-joint 发表于 2025-3-25 16:15:15

https://doi.org/10.1007/978-1-4302-7241-0eutical industry, led to the development of the first oral chemical contraceptives in the 1960s. This discovery stimulated a vigorous expansion in chemical contraceptive research in the pharmaceutical industry. Djerassi (1970) recently estimated that during the years 1965–1969 the combined expenditu

myriad 发表于 2025-3-25 23:18:50

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似少年 发表于 2025-3-26 01:04:37

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Obscure 发表于 2025-3-26 05:06:26

Shapes, Brushes, and Transforms,finely with dates and honey, rubbed on a wad of fibers, and inserted deep into the vagina (Thorwald, 1962). Acacia spikes were later found to contain a gum that forms lactic acid, a substance contained in many of the spermicides used at present.

BABY 发表于 2025-3-26 08:47:30

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异常 发表于 2025-3-26 12:54:42

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Definitive 发表于 2025-3-26 19:26:53

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查看完整版本: Titlebook: Chemical Contraception; John P. Bennett Textbook 1974Latest edition Columbia University Press 1974 contraception.gynecology.medicine.repro