A type of natural method of contraception which have -
No side effects, No cost implied, No effect on natural menstruation, sperm not enter in vagina is
Lactational amenorrhea
Withdrawal method
Periodic abstinence
Both B and C
Withdrawal method is a type of natural method of contraception which have -
No side effects, No cost implied, No effect on natural menstruation, sperm not enter in vagina. But in periodic abstinence sperm enters the female vagina.
Option 2 is the correct answer