OvulationOral contraceptives prevent:
Ovulation
Menstruation
Implantation
Entry of sperms in vagina
A contraceptive pill contains
Match the columns
column $1$ | column$2$ | column$3$ |
$(a)$ first order | $(p)$ Strong fertility | $(w)$ non-medicated |
$(b)$ second order | $(q)$ effect on layer of uterus | $(x)$ Metal ion |
$(c)$ third order | $(r)$ Low or slow | $(y)$ Hormone |
$CuT, LNG-20$ and $Cu7$ are examples of
Example of copper releasing $IUD$ is
Give scientific reasons : Pills taken orally prevents pregnancy.