Worldwide, more than 100 million women regularly use hormonal contraceptives to prevent unwanted pregnancies. Scientists leading academic medical centers are constantly working to develop new and more effective means of contraception. While these developments are taken into account two important factors: the ability to use the least possible dose of hormones and the development of highly selective progestin (hormone analogs of the second phase of the cycle). In addition, lower dosages of steroids to reduce the frequency of occurrence of side effects such as nausea, vomiting, breast pain, weight gain, headaches, and so forth.

Composition

Currently contraceptive with the low dose of hormones logest considered. This combined contraceptive agent which comprises a synthetic progesterone and estrogen analogs Estrogen - the key to bone health . A packing Logest - 21 tablets, each containing 0.02 mg of ethinyl estradiol and 0.075 mg of gestodene. This ratio (20 to 75) Component konrtatseptiva ensures high reliability, and significantly reduces the likelihood of adverse side effects. Total hormone load per cycle - a total dose of hormones contained in tablets of one package. Thus, taking logest for one menstrual cycle, a woman generally receives less than 2 mg of female hormones.

How to receive

With such a low dose of hormones logest is one of the best drugs for women who are just starting to take birth control pills. The first tablet should be taken Logest the first day of menstruation. In this case, the drug instantly provides protection against pregnancy. When the pills run out in the package - 21 days - to do a seven-day break, during which begin next menstruation. After 7 days, need to start taking logest from a new package, even if monthly at this time has not yet ceased.

Logest contraceptive effect is achieved through the property gestodene (it is considered to be the strongest at the moment progestin) and ethinyl estradiol, block the activity of the hypothalamic-pituitary-ovarian system that controls the menstrual cycle. In particular, gestodene inhibits FSH and LH hormones, thus inhibiting ovulation Ovulation - How to determine as accurately as possible? . In addition, the components Logest inhibit oocyte maturation and makes more viscous cervical mucus - both of these effects make fertilization even less likely.

Logest relatively well tolerated by the body and has little effect on metabolism Improves metabolism and losing weight without dieting   and body weight.

In addition to preventing unwanted pregnancies logest used to normalize the menstrual cycle (in particular, in the absence of menstruation - amenorrhea), and to prevent various gynecological diseases, including tumor formation.

Contraindications Logest:

• Hypersensitivity to the drug
• Hepatic failure
• Tumors in the liver
• Thromboembolism
• Congenital hyperbilirubinemia
• Violations of cerebral circulation
• Coronary artery disease
• Arterial hypertension
• Atherosclerosis
• Myocarditis
• Diabetes
• Retinopathy
• Angiopathy
• Congenital heart defects
• Anemia
• Gormnalno-dependent breast cancer Breast cancer: what every woman needs to know   or endometrium
• Lipid metabolism
• Idiopathic jaundice, itchy skin
• Inflammatory diseases of the urogenital tract
• Otosclerosis
• Epilepsy
• Porphyria
• Gestation
• Lactation
• Age of the patient more than 35 years
• Predisposition to vaginal bleeding
• Giperfollikulyarnaya stage of menopause

In rare cases, the side effects of Logest are headaches, jaundice, nausea, allergic reaction. Several women are more likely to say that after the start of Logest have significantly decreased libido.

Every year, contraception is becoming easier and more efficient, which means that the number of unwanted pregnancies should be reduced. But for this you must clearly comply with all requirements, such as taking a pill, as some just forget. And then comes to the aid of a new generation of contraception - hormonal patch.

Using the contraceptive patch

The contraceptive patch began to use at the beginning of the new millennium. He apparently is a conventional plaster small (4-5 cm) of solid color, which is stuck on the skin

The patch should be pasted on clean skin Clean skin: the beauty of the need to fight   without rashes, moles and hair. Most often, it is recommended to place it on the upper area of ​​the buttocks, abdomen, or on the outer shoulder area. High-quality contraceptive patch is glued tight, does not come unstuck and is even able to withstand water treatments, sports and humid climate. One patch on the skin should be not more than one week. If suddenly the plaster come off, then the woman has twenty-four hours to replace it with a new one. Then contraceptive plan will not be disrupted.

How does

It may seem miraculous effect of this patch, as other methods of contraception Contraceptive Methods: Ten myths about contraception in the mirror of facts   require taking the pills, the use of contact substances during intercourse, whereas the plaster - it's just a piece of material attached to the skin. But this is no ordinary patch and hormone - by hormones and provides its contraceptive effect.

During the week, which is intended duration, the patch will be released into the blood of 20 mg of ethinyl estradiol per day. This hormone has a contraceptive effect, comparable to that used in conventional oral contraceptives. Also in the bloodstream starts dose progestativa norelgestromina. The patch needs to be changed once a week, following the same day shifts, for three week. In the fourth week to begin menstruating.

Side effects, precautions, contraindications

Ideally, the contraceptive patch should be appointed physician as birth control pills, because only he can tell whether a woman be certain side effects. Before you decide to use a band-aid on a regular basis, you need to undergo a medical examination in order to identify possible contraindications and prevent undesirable consequences.

The contraceptive patch is not suitable for high blood pressure Blood pressure - dangerous if his swing? , Predisposition to cancer breast or uterus, as well as the risk of phlebitis.

The effectiveness of the contraceptive patch The contraceptive patch (Evra) - version of the Surface tablet   when used correctly estimated, as in the use of pills, - up to 100%.