Contraception, or birth prevention, decreases the likelihood of maternity caused by sexual activity. There are many types of birth prevention, including: hormone, barrier, or normal. As shown in dining table 1, the potency of the various types of birth prevention varies widely, from 68% to 99.9percent ( optionsforsexualhealth.org).
Dining table 1. types of birth prevention and their Effectiveness
Hormonal kinds of birth prevention release artificial estrogen or progestin, which stops ovulation and thickens cervical mucus, which makes it hard for semen to attain ova ( sexandu.ca/contraception). There are a selection of approaches to introduce these hormones to the human body, including: implantable rods, birth prevention pills, injections, transdermal spots, IUDs, and genital bands. As an example, the genital band is 92% effective, easily placed into and removed from the vagina because of the individual, and composed of thin synthetic containing a variety of hormones which can be released at that time it really is when you look at the vaginaвЂ”usually around three weeks.
Barrier kinds of delivery control prevent semen from going into the uterus by making a real barrier or chemical barrier toxic to semen. There are a selection of barrier practices, including: vasectomies, tubal ligations, male and female condoms, spermicides, diaphragms, and cervical caps.