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More and more teenage pregnancies, mainly due to lack of information about sex, the consequences are severe high percentage, it can be put at risk the health (including mental).

How to identify the fertile days?
The menstrual cycle begins with the first day of bleeding and ends just before the next rule, a process that lasts, on average, 28 days, the period is generated due to the expulsion of a mature unfertilized egg along with remnants of the mucous lining the uterus (endometrial), taking about five days.

In other words, the above can be summarized as follows:
Day 1 to 5 = menstruation
Day 6 to 12 = fertile days
13th at 20 = fertile days
Day 21 to 28 = fertile days

Do you always bleed at first intercourse?
Over many centuries it was thought that the only way to break the hymen was through penetration of the penis, which causes pain and bleeding women. We now know that this tissue may also tear fine for other reasons such as excessive menstrual flow, strong fall or a blow to injure the vulva (entrance to the vagina), friction of pads or tampons, or a violent movement to spread their legs while practicing a sport, gymnastics, tennis, swimming, biking or horse, among others.

Why hurt first sex?
The most common among adolescents is vaginismus that is involuntary contraction of muscles and conditioned the bottom of the vagina as a result of an unconscious desire of women to prevent penetration, when you try latter, occurs intense pain.

Girls with this disorder feel great anxiety at the thought of entering anything in the vagina, can not even try it with a finger or a tampon. Any attempt to penetrate the tense, which in response causes bowing of the back, close the legs (contraction of the adductor muscles of the thighs) and involuntary spasms of the muscles surrounding the vagina.

Are pregnant during anal sex?
If the male ejaculates during anal sex practice there is no way that the sperm reaching the egg, the only way this happens is through vaginal penetration. Nor will there be pregnant if intercourse takes place in the days of menstrual bleeding, as there is no fertilized egg in that span.

What could be pregnant without penetration?
It is very important to know that the penis secretes seminal fluid that facilitates the penetration of the vagina, which contains sperm. Thus there is the risk of pregnancy if the woman places the male organ at the entrance of the vulva during her fertile days, although there is no full penetration.

What are the signs of pregnancy?
When a woman suspected of possible pregnancy, you should wait between 10 and 15 days after the date on which should have come to practice her period of immunologic pregnancy, either homemade (pharmacy) or laboratory, with the first urine in the morning.

The first sign that a woman can be pregnant is the lack of menstruation, if you have sexual activity without birth control. There are also other signs: increased sensitivity of the nipples darkening, growth and hardening of the breasts, hips and abdominal pain, nausea, dizziness and vomiting, as well as a dark line from the navel to the pubis.

How to identify a vaginal infection?
Naturally, women have bacterial flora in the vagina that does not undergo any change will remain healthy. But if for some reason your environment changes, it generates the conditions for rapid and excessive growth of microbes, which leads to annoying infections, with the primary pathogens are Candida albicans, Gardnerella vaginalis, Mycoplasma species, Monilia and Mobiluncus species.

Itching, burning, vulvar irritation, pain when urinating and during sex and white discharge secretions, yellow or green with offensive odor are characteristic of vaginal infections. The main reasons that give rise to the presence of such problems are poor hygiene, unsafe sex, hormonal changes, birth control or management of prolonged treatment with antibiotics. Furthermore, the increase in temperature favors them, which causes moisture to be stored in that area, a situation that is exploited by the germs to breed.

As to habits, here are some recommendations to avoid:
* Wear cotton underwear, as this material helps keep the genital area dry.
* Prefer loose clothing to allow adequate ventilation.
* After exercise is recommended to remove the clothes and bathe immediately used.
* Dry genital area thoroughly after bathing.
* Avoid douching if possible.
* Clean your genital area from front to back to avoid introducing bacteria from the anus to the vulva.
* Do not let put the wet bathing suit on the way to the beach or pool at your hotel or sports center.

As you can see, the sexual life of the teen does not have to be a constant torment and anguish if you have the essential knowledge. However, should visit the gynecologist if any doubt or abnormal signs in the body.

Read more about how to tighten loose vagina and firm loose boobs. And how to increase penis size for more sexual pleasure.