HPV (human papillomavirus)
It is a sexually transmitted disease very common. Generally, HPV or suffering it had endured during pregnancy does not affect the baby. In extreme cases, where women really have any major injury, there is risk of infection for the baby. In that case, the babies have laryngeal papillomas, of seriousness and difficulty regulating their treatment. Therefore, the obstetrician will recommend a cesarean.

Syphilis
This disease is transmitted by a bacterium and is spread through vaginal, anal or oral sex with an infected person. The pregnant woman may pass the disease to the fetus through the placenta. During the first prenatal visit, your obstetrician will perform the study to rule out syphilis. If positive, the mother should treat with an antibiotic penicillin is safe in pregnancy.

Genital herpes
It is a disease caused by a virus (herpes-virus) found in latent form in the body and when defenses or decrease during pregnancy, the virus that causes the injury is in the form of small painful blisters. There is no way to eradicate the virus from the body, and the treatment is to reduce the frequency and severity of episodes. Symptoms include blisters on the genitals. At the time of birth, if there are active lesions, it should end the pregnancy via cesarean section because the baby can become infected if it passes through the birth canal.

AIDS
AIDS (acquired immunodeficiency syndrome) is a disease caused by a virus called HIV that causes destruction of the immune system. This disease is transmitted through sex with infected persons, accidents with needles, blood transfusions or from mother to child during pregnancy, childbirth or breastfeeding.
Most obstetricians are asking a pregnant at the first visit the HIV blood test.
The transmission of the virus from mother to infant is preventable by taking certain precautions and medication during pregnancy and birth. The latter may be by natural birth or caesarean, as determined by the obstetrician on the basis of blood tests of mother and the baby’s condition. An HIV positive woman should not breastfeed a baby is not infected because the virus can be transmitted through milk.

Chlamydia
It is a sexually transmitted disease by a bacteria called Chlamydia trachomatis. Can be passed from mother to child during birth. Chlamydia infection in newborns can cause neonatal conjunctivitis (eye infection) and pneumonia. Without immediate medical treatment, the baby’s eyes can be severely and permanently damaged.

Hepatitis B
Hepatitis B is a disease caused by a virus that infects the liver. It is spread through sex with infected persons, accidents with needles, blood transfusions or from mother to child during pregnancy.
In the first prenatal visit, your obstetrician will indicate a test to detect hepatitis B. If the test is positive, it can spread the virus to the newborn during delivery. Therefore, the baby at birth will receive the right medicines to prevent becoming infected (hepatitis B vaccine and immunoglobulin).