BIOs-360 Class 12
NCERT/CBSE
NEET/JEE
Textbooks
Program List
Class 11 Biology NEET
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Non-medicated: Lippes loop (increases phagocytosis of sperms); Copper-releasing: CuT, Cu7, Multiload 375 (Cu ions suppress sperm motility); Hormone-releasing: Progestasert, LNG-20 (make uterus unsuitable for implantation)