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IUDs are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about IUDs?
(a) IUDs decrease phagocytosis of sperm within the uterus.
(b) The released copper ions suppress the sperm motility.
(c) IUDs do not make the cervix hostile to the sperm.
(d) IUDs suppress the fertilization capacity of sperm.
(e) The IUDs require surgical intervention for their insertion in the uterine cavity.
Choose the most appropriate answer from the options given below:
Detailed Solution
IUDs are inserted by doctors or expert nurses through the vagina without surgery. They increase phagocytosis of sperms within the uterus, and released Cu ions suppress sperm motility and fertilising capacity. Hormone-releasing IUDs make the uterus unsuitable for implantation and the cervix hostile to sperms. So only (b) and (d) are correct.