Which of the following options correctly identifies the contraceptive method, its category, and its corresponding mechanism of action?

Step-by-step solution

Tubectomy is a surgical method (sterilisation) in females where a small part of the fallopian tube is removed or tied up. This blocks gamete transport and thereby prevents conception. Cervical caps are barrier methods but they do not inhibit ovulation; they prevent conception by blocking the entry of sperms through the cervix. Coitus interruptus is a natural method that prevents insemination by withdrawal of the penis just before ejaculation, but it does not halt spermatogenesis. Copper T suppresses sperm motility