NEETZoologyReproductive Health
Which of the following statements is incorrect regarding the mechanism of action of specific contraceptive devices?
Options
- AMultiload 375 makes the cervix hostile to the sperms and the uterus unsuitable for implantation.
- BProgestasert is a hormone-releasing IUD that makes the uterus unsuitable for implantation.
- CLippes loop is a non-medicated IUD that increases phagocytosis of sperms within the uterus.
- DDiaphragms are barrier contraceptives that prevent conception by blocking the entry of sperms through the cerv
Correct answer
A. Multiload 375 makes the cervix hostile to the sperms and the uterus unsuitable for implantation.
Step-by-step solution
The statement in the first option is incorrect. Multiload 375 is a copper-releasing IUD. Its mechanism of action is to release copper ions that suppress sperm motility and the fertilising capacity of sperms. Making the cervix hostile to sperms and the uterus unsuitable for implantation is the mechanism of hormone-releasing IUDs like LNG-20 and Progestasert. The second option is a correct statement as Progestasert is a hormone-releasing IUD. The third option is a correct statement as Lippes loop is a non-medicated I