STD 12 - 3. reproductive health — BIOLOGY STD 12 Science — Question

Hormonal releasing $IUDs$.

Intra Uterine Devices $(IUDs)$ for contraception

$(i)$ There devices are inserted by the doctors into the uterus through vagina.

$(ii)$ There are three types of $IUDs$

Non-medicated $IUDs$ They increases the phagocytosis of the sperm within the uterus, $e. g$., Lippes loop

Copper Releasing $IUDs$ Along with phagocytosis of the sperms, the copper ions released, suppresses the sperm motility and the fertilizing capacity of the sperm. $e.g., Cu-T, Cu-7$, multiload$- 375$

Hormone Releasing IUDs They makes the uterus unsuitable for implantation and the cervix hostile to the sperms, $e . g$, progestasert, $LNG-20$