Ncert Exercises & Solutions

Choose the right one among the statements given below :

1.	IUDs are generally inserted by the user herself.
2.	IUDs increase phagocytosis reaction in the uterus.
3.	IUDs suppress gametogenesis.
4.	IUDs once inserted need not be replaced.

(b) Non-mediated!UDs increase phagocytosis of sperms within the uterus and the Cu ions released suppress sperm motility and the fertilising capacity of sperms. Hormone releasing |UDs make the uterus unsuitable for implantation and the cervix hostile to sperms, é.g., progestagen, LNG-20

Intra-Uterine Devices (IUDs) are used as one of the effective and popular contraceptive methods. These devices are inserted by doctors or expert nurses in the uterus through vagina. |\UDs are presently available as the non-mediated IUDs (e.g., Lipens loop),
copper releasing IUDs (Cu-T, Cu-7, Muitiload 375) and the hormone-releasing |UDs (Progestasert, LNG-20).
IUDs do not suppress gametogenesis as gametogenesis (oogenesis) takes place in the ovary, while IUDs are inserted in the uterus (through vagina) with the help of a doctor or an expert personnel,

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