![]() Occasionally, this is done through the woman’s abdomen to collect a sample of the tissue, known as villi, in the placenta. However, it can still determine the baby’s sex.ĭuring the test, a doctor inserts a syringe into the uterus through the vagina and cervix. Similarly to amniocentesis, this test is invasive and does have some risks, so it is only done for medical reasons. Chorionic villus samplingĬhorionic villus sampling is a test done during pregnancy to determine if the baby is at risk of a congenital problem. Finding out the sex of the baby is not a primary reason to do this test, as it has risks for the mother and the baby. This invasive test is done only for medical reasons. The fetus sheds cells into the amniotic fluid, making this a way for doctors to detect genetic problems. The needle collects a small sample of the amniotic fluid to send to a laboratory for analysis. AmniocentesisĪmniocentesis involves inserting a needle through the pregnant woman’s abdomen, using ultrasound guidance, into the amniotic fluid surrounding the baby. If a Y chromosome is found, the baby is male. Females have two X chromosomes, whereas males have both an X and a Y chromosome. These blood tests work by looking for the presence of a Y chromosome. Many simple blood tests can reliably determine whether or not someone is carrying a boy or a girl. The inaccurate results in the study occurred when two male babies were misdiagnosed as females. One study showed a 98.2 percent rate of accuracy. ![]() Studies have shown that 2-D ultrasounds are very accurate in determining sex. Getting a good image may be difficult if the baby is in an unusual position. When an anatomy ultrasound is done around 20 weeks of pregnancy, a doctor or ultrasound technician will usually be able to see all of the baby’s anatomy, including their genitals. Some accurate ways to determine the sex of an unborn baby include: For pregnant women eager to find out the sex of their baby before it is born, there are many more reliable ways to do so than a baking soda test.
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