Final answer:
The use of spermicide for birth control is associated with barrier methods such as male and female condoms, sponges, cervical caps, and diaphragms. These methods prevent sperm from reaching and fertilizing an egg. Spermicides, which kill sperm, can be used alone or with barrier methods for increased effectiveness.
Step-by-step explanation:
Forms of Birth Control Involving Spermicide
The form of birth control that involves the use of spermicide includes several barrier methods. These barrier methods such as male condoms, female condoms, and sponges, can be used in conjunction with spermicidal chemicals to prevent sperm from entering the uterus, thus preventing fertilization. Spermicides are substances that are placed in the vagina before intercourse to kill sperm, increasing the effectiveness of the barrier methods. Additionally, other barrier methods like the cervical cap and the diaphragm are typically used with spermicides to enhance their contraceptive efficacy.
In contrast to spermicides, there are other forms of birth control that do not involve these chemicals. Hormonal methods such as oral contraceptives, the patch, the vaginal ring, the injection, and the implant work by regulating hormones to prevent ovulation. Sterilization procedures, including vasectomy and tubal ligation, are permanent solutions that prevent the release or fertilization of eggs. Moreover, emergency contraception like the "morning after" pill or the insertion of an IUD can be used after unprotected sex. Behavioral methods, including natural family planning and withdrawal, rely on timing and technique rather than chemicals or barriers.