How Accurate Is A Gender Scan?

It is common to want to know the gender of your baby before birth

. It is quite easy to tell gender by the 20 week scan, as long as the sonographer gets a good view. Boys and girls have unmistakeble differences at this point. A third trimester scan can generally tell the gender of your baby as there is plenty of amniotic fluid around your baby and it doesn't have its feet tucked up between its legs.

Although, it is not so straight forward in the early weeks. The gender of a baby is genetically chosen at conception, but during the early development of embryos, they all look the same.

If you want to guess the sex of your baby there are tons of Old Wives tales. The fastness of the baby's heartbeat is a common one that is supposed to distinguish between a boy and girl. 140 BPM appears to be the typically used threshold, or try to tell between a galloping horse and a steam train. But surely its common sense a baby's heartbeat is typically irregular during development. If baby is wide awake and active it will be quicker than when the baby is having a quiet time. This is all very common. As you probably don't know what the baby is doing at the time, a one off heartbeat reading won't give you any information. Carrying the baby all up front means boy and on the hips mean girl is another common one. How can this be? What about if there is a nice equal spread all the way round? Women are all different shapes and sizes.

It is only achievable to see any difference between the sexes at about 11 weeks. Studies show that early gender detection is a pretty hit and miss affair. Early research showed that, if babies that were lying in a position to see, very experienced sonographers using top-of-the-range scan machines got the gender correct in merely 70 per cent of cases at 11 weeks, and in merely over nine out of 10 cases at 12 weeks. In a more recent study, sonographers could only correctly identify the gender in 46 per cent of babies at 12 weeks and 80 per cent at 13 weeks. A gender scan this early may not be accurate.

Being told the gender and then finding out afterwards that it was wrong can be very distressing. Unless you need to know the gender because you have a family history of gender-linked genetic problems, it's best to wait until your mid-pregnancy, detailed scan. The probability of getting the sex correct then is a lot higher.

As the pregnancy develops, the genitalia become more and more distinguishable. Adequate amniotic fluid helps the sonographer see things better; and with any luck, your baby's legs aren't folded into their chest.

This is why experts advise going at least halfway through your pregnancy to get a more exact look at what your baby's sex is. A gender sacn determines the sex of your baby and is typically performed after at least 18 weeks. A reputable company should spend time determining the sex so that they can be reasonably positive in their decision, whilst there are no 100% guarantees with ultrasound. After all, it's no joke to buy blue only to find out it should have been pink!

by: karlkt6yha

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