Although the gender of the fetus is not an urgent issue, most mothers are anxious to know if they are pregnant with a boy or a girl. In fact, experts know to predict the sex of fetus very early. So how many weeks pregnant do you know a boy or a girl?
Do you know a boy or a girl in 11 weeks? When I was pregnant, I was always curious to know if I was going to give birth to a girl or a boy. My mother did not want me to know the sex of the fetus in advance, she said that when I was born, I would not have a sudden happy moment. I was very curious and wanted to learn about methods of fetal sex.
In fact, a few other acquaintances told me about the sex of the fetus as well, but I always wanted to know the sex of the baby in advance.
The sex of the fetus can be applied from the 11th week of pregnancy - shutterstock illustration
As a controlling person who has a habit of planning things ahead of time, I don't want to be passive. I have counted down to 20 weeks gestation to see if I am pregnant with a boy or girl.
But in fact, I discovered the sex of the baby much earlier than that.
How many weeks pregnant do you know a boy or a girl? When I went for an ultrasound exam to measure the nape of the nape of the neck at 12 weeks and six days old, the doctor asked me if I wanted to know the sex of the baby.
I turned to look at my husband to see if he wanted it. My husband said, "Okay!" and I screamed with joy.
And so I knew that I was about to pick up a baby boy less than 13 weeks pregnant. However, my doctor advised me not to buy baby goods right away because this prediction is not 100% accurate.
The doctor said the success rate of this prediction was about 80%, but it was an educated guess, and in the end the doctor was right.
When I have a second baby and even a third, these predictions are always true. I was able to know the sex of all three children early between 12 and 13 weeks by ultrasound, with 3 different technicians, all based on nub theory.
Nub is basically an early determination of the sex of the fetus through an ultrasound performed by experienced doctors.
There have been many studies on the accuracy of sex determination by ultrasound in the first trimester of pregnancy and the accuracy rate is quite high.
One study describing this process is a sex diagnosis of a fetus based on an observation of the child's genital canal on a medium plane. In short, the doctor looks at the corner of the small protrusion located in the genital area at the time the baby's genitals begin to form. The protruding angle and spinal region are predictors of fetal sex.
If the protrusion is parallel to the spine, or at a 10% lower angle, this indicates it's a baby girl. If the protrusion forms an angle greater than 30% to the spine, then it's a boy (it's quite easy to remember to associate the genitals of boys / girls in fact).
This study involves 3D ultrasound and only holds true for about 85/100 cases. If before 12 weeks gestation, the accuracy is even lower. From here we can conclude: "3D ultrasound is a highly accurate tool to determine the sex of the fetus before 14 weeks of gestation."
Another study on 496 women who were 11 to 13 weeks and six days pregnant, they wanted to know the sex of their fetus at screening during the first trimester.
Out of 496 patients, the sonographer accurately sexed the fetus in 441 cases, with a success rate of 91.8%.
The exact rate increases with gestational age, most of the cases giving inaccurate results are in pregnant women less than 11 weeks.
If considering the accuracy of the 12-week pregnancy group alone, the sex diagnosis accuracy of fetus is higher at 94.8% and 98.3% at 13th week.
Any scientific precision depends on a number of factors. In this, one of the decisive factors was the experience of the person performing the scan.
Although you may be happy to know the sex of your baby in advance, you should not immediately purchase items with clear gender-defined colors such as pink or blue.
Note on the sex of the fetus - shutterstock illustrations
In my case, the first time I heard of nub theory was when some mothers in a social media group asked me to 'post a nub picture' of my baby so they could guess the sex of my baby.
Actually this is just a fun prediction game, even though some of them are midwives or medical professionals, it doesn't mean they will give 100% accurate numbers.
Personally, I find that my ultrasound nurses and doctors apply very accurate fetal sex in all 3 times I became pregnant. However, there are many people in the profession who have made a wrong prediction, so maybe you have to wait until your baby is officially born, everything is certain.
Guess the sex of pregnancy in the ancient Chinese way have you ever tried it?
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Guess the Gender Boy and Girl, old Egyptian; Exactly like modern ultrasound
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