- The vaginal ring Nova Ring
- The transdermal therapeutic system (patch)
- Hormonal implants
Nova RingElastic ring - a flexible contraceptive ring of hypoallergenic material, which contains trace quantities of hormones, and is used topically, taking the shape of a woman's body and is conveniently placed in the vagina.
One ring is for one menstrual cycle: woman inserts it into the vagina from the 1st to the 5th day of the menstrual cycle.
Nova Ring contains a small dose of the hormones estrogen and progestogen. Being in the vagina, the ring allocates a permanent microscopic daily dose of hormones. They prevent the release of an egg from the ovary and fertilized, so pregnancy is not possible.
Hormones begin to stand out of the ring, located in the vagina, under the influence of body temperature. A vaginal mucosa they enter the bloodstream. Thus there is no initial passage through the liver and gastrointestinal tract. This ensures a high efficiency of about 99%. The advantage of Nova Ring is that the systemic impact on a woman's body is minimal.
PatchFundamentally different form of hormonal birth control contraceptive patch. It combines the effectiveness of oral contraceptives and the convenience of the patch. The contraceptive patch is a sustained (long-acting), a combined hormonal contraceptive methods.
The patch delivers a daily circulation norelgestromina 150 micrograms and 20 micrograms of ethinyl estradiol. In clinical studies, the patch has demonstrated suppression of ovulation and efficacy comparable to oral contraceptives containing 30 micrograms of ethinyl estradiol.
Patch attached once a week for 3 weeks (21 days), one week apart.
Patch attached and removed the same day of the week. The patch can be easily controlled woman, and the abolition of the use of contraception does not require the participation of medical professionals. The contraceptive effect is reversible as easily as when using oral contraceptives.
Hormonal implantThere is a method of contraception, as subcutaneous implants containing a derivative of the hormone progesterone - levonorgestrel.
Action contraceptive containing a hormone above, calculated by thickening the cervical mucus and the difficulty of sperm entry into the uterus and fallopian tubes.
Available in preparation in the form of small capsules that are implanted under the skin in the upper arm by a gynecologist.
This method of contraception refers to the category of very reliable, as its effectiveness is almost one hundred percent, but the use of implants should be given to the fact that the method may be accompanied by changes in the menstrual cycle, decreased libido, headache, and in some cases, and the increase in weight body.
To use a similar method of protection is recommended for women under forty who do not plan to have children soon.
The advantages of implants is the fact that when its security, this implant is easy to use and aesthetically pleasing, the woman does not have to constantly think about prevention methods. Implant significantly reduces the risk of cancer of uterus, has a therapeutic effect in some gynecological diseases reduces soreness periods, no adverse effects on the liver and causes only minor changes in the metabolic hydrocarbon lipid metabolism.
Can not be said about such a positive as the implant is that fertility after discontinuation of the drug is recovered fairly quickly.
If you talk about the shortcomings of this method of contraception, then there should be mentioned that at the site of capsules under the skin is a small scar, but it is barely noticeable. In some cases, there may be bleeding from the vagina, and may develop amenorrhea.
In addition, one can not say about the high cost of this method of contraception, which means that allow its own can not all, and implant placement requires the involvement of a specialist.