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What are the chances a third child will be a daughter when two sons have been born to the parents?
Wiki User
∙ 13y ago
Whether a male or a female is born cannot be predicted. Since the sperm provides either the X or the Y chrmomsome, whether it is going to be a male or female depends on which sperm fertilizes the ovum. There is no way of predicting or controlling this in vivo.
Some couples are more likely to have babies from one sex (either boys or girls).
This has both to do with the male sperm as with the female pH value in the uterus. Also the egg membrane "decides" which sperm (X or Y) to allow thru.
So woman "A" with man "Q" may only get boys while woman "A" with man "R" may get boys and girls or just girls.
It has to do with the chemical make-up / match of both parents.
If you already have 2 sons the chances of getting a girl are +/- 46%.
A very strict diet (of a maternal diet low in sodium and high in calcium, in combination with timing of intercourse well before ovulation) can raise this chance to 80%!
Research done by "adviesbureau Gender Consult" and the University of Maastricht Netherlands:
01 September 2010
A.M. Noorlander, J.P.M. Geraedts, J.B.M. Melissen
Reproductive BioMedicine Online
DOI: 10.1016/j.rbmo.2010.08.002
Interesting point: There seem to be more "all sons" (>3) families I know than "just girls" (>3) that I know off. Maybe the chances of getting a son after 2 daughters are higher than 46%. (I know many fam. of 2 daughters and then a son but none of 2 boys and then a girl...)
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoMy answer is assuming having a boy or a girl has a 50% chance each. If that is the case, there would be a 25% chance of twins. There would be 3 possibilities: having 2 boys, having 2 girls, or having one of each. 25/3=8 1/3. There would be an 8 1/3% chance of having a boy and a girl at the same time, assuming there is a 50% chance of having a boy or a girl.
Actually, Your odds of having a twin are 3 in 100. You divide that by the 3 possible outcomes ( 2 boys, 2 girls, or 1 of each) and you get 1. You have a 1% chance of having twins that are one of each sex.
Wiki User
∙ 10y agoIt is 50-50. The gender of any child is always 50-50, as previous children have no impact on what you will have next.
Like the above answer said, the chances are 50% for both genders.
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