The symptoms can be an indication, but the absolute certainty only is obtained across a pregnancy test. With this type of devices, one looks for the presence of the hormone gonadotrofina coriónica (hCG).
This hormone produced by the afterbirth, is the person in charge of that eliminates the menstruation and it is in the blood and urinates of the gestantes.
It always turns out to be advisable to realize the test in a specializing center, like a hospital or a laboratory, but if it is bought in a drugstore and the test is carried out at home, it is necessary to check the expiry date of the team and to continue carefully all the indications.
Generally, it is recommended to use the first urine of the morning, although the hormone is detectable at any time of the day. This type of tests can last between several minutes and one hour. If the test confirms the pregnancy, there must begin as soon as possible, a prenatal treatment supervised by the doctor.