The Lactational Amenorrhea method is effective only up to a maximum of approximately .......... postpartum.

Find out the correct choice for $Cu$-based $IUDs$.
$I$. Increases phagocytosis of sperms.
$II$. Releases $Cu^{2+}$ ions that suppress the sperm motility and fertilizing capacity of sperms.
$III$. Make the uterus unsuitable for implantation.

Implants under the skin and injectables contain:

What is the function of Copper $T$?

What is the primary purpose of female sterilization (tubectomy)?

Explain the difference between condoms and diaphragms.