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What is the baby girl to boy ratio?
Globally the ratio is about 100:107 Boys are weaker and more likely to die before puberty.
What is the probability that a random couple with three children will have at least two boys?
If we consider there is a 50% chance for having a boy and 50% for having a girl*, there is : - 12,5% chance of having no boys; - 37,5% chance of having 1 boy; - 37,5% chance of having 2 boys; - 12,5% chance of having 3 boys. Therefore, there is 50% chance of having at least two boys. *The odds are more like 51% for having a boy and 49% for having a girl, but it doesn't really matters.
What are the chances of having a boy after having 2 girls?
The male determines the sex of the child and some men are more likely to sire one sex or the other. But, no matter what sex children he's had in the past, his next child is as likely to be a boy or a girl as his first. What has happened in the past does not affect the odds in the future. That is a man's chances of having a boy after having two girls is the same as it was when he had his first girl. But, because he's had two girls it may suggest he's more likely to sire girls than boys.
Is a sonagram more accurate at 18 weeks or 34 weeks?
both are.. but at 34 weeks the baby is bigger and at 18 weeks the baby is moving and turning inside your stomach and its beautiful to be able to see it and you can also see what you are having at 18 weeks if the baby legs aren't close together...congrat and best of luck
Having more than needed?
Having more than is needed= surplus, excess and superfluent
