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One of the first symptoms of pregnancy for most pregnant women is amenorrhea, ie the absence of menstruation.
In general, women with regular cycles are able to detect whether they are pregnant more easily than women who have a more irregular ovulation. However, not having periods, does not mean being pregnant.
Menstrual cycles usually occur approximately every 28 days, although they vary from woman to woman. In addition, the menstrual cycle is changing throughout the life of a woman, so that sometimes can go ahead and others behind.
Some factors influencing this irregularity can be sudden changes in weight, work or family stress or hormonal imbalance.
Other times, she may be pregnant and not know it because losses may occur, similar to menstruation, coinciding with the period. This is called implantation bleeding and occurs when the fertilized egg attaches to the uterine wall.
If a woman suspects she is pregnant with a first offense must go as soon as possible to your gynecologist to confirm pregnancy. The doctor will monitor and control gestation. Also, check whether the woman has a complication such as hypertension, preeclampsia, placenta previa, which could indicate a high risk pregnancy.
However if a woman goes through a period of great stress, has rules very irregular and has a loss, a visit to the gynecologist is required.
There are several tests to confirm pregnancy as pregnancy tests, urine test, blood test and ultrasound.
Using a urine test or through a blood test can detect the presence of the hormone human chorionic gonadotropin (HCG). This hormone is responsible for secreting progesterone and estrogens and occurs ten days after conception.
Many women decide to do the urine test alone. The known tests of urine pregnancy test or sold in pharmacies are fast, simple and a reliable estimate for its maker to 98%. The results are known within minutes.
It is also possible to detect HCG by a blood test. This test not only verifies the presence of the hormone but also, in case of pregnancy, to calculate the age of the fetus or the existence of complications in early pregnancy as the threat of spontaneous abortion. For the results, the woman must wait at least a day.
In any case, the most reliable test of pregnancy is diagnosed by ultrasound, with which also confirms the existence of one or more embryos. This test involves no risk to the woman or the embryo, in case of pregnancy.
Both blood tests and ultrasound prescribed by the gynecologist on her first visit.