Consider the following statements:

A. Condom, diaphragm, and cervical caps are the common barriers used to prevent pregnancy.
B. Oral pills and vaginal pills are the chemical method practiced for the prevention of pregnancy.
C. Intrauterine Devices (IUDs) prevent implantation in the uterus.
D. Vasectomy and tubectomy are the surgical methods practiced for birth control.

The correct answer is

The correct option is B A, B, C and D
All the above statements are correct.

* Condoms, diaphragm, and cervical caps are a type barrier method, which prevents fusion of the sperms and ovum.

* Oral or vaginal pills are used as a birth control method. it makes the uterus inhospitable for sperms.

* IUDs make the lining of the uterus inhospitable to prevent implantation.

* Vasectomy is the surgical procedure for male sterilization, while tubectomy is the surgical procedure for female sterilization.

So, the correct answer is option A.