Sterilisation procedure in human female is
A. Coitus interruptus- It involves withdrawal of the penis from the vagina by the male before ejaculation so that semen is no deposited in vagina and no fertilization.
B. Rhythm Method- A week before and a week after the menses is considered safe period for intercourse.
C. Tubectomy is the removal of short segment of fallopian tube in female for sterilization.
D.Vasectomy is the removal of short segment of Vas deferens in male for sterilization.
So, the correct answer is 'Tubectomy'.