How Long Does Y Sperm Take To Reach The Egg?

I often hear from people who have either recently attempted to conceive or plan to do so in the coming weeks or months.  Many believe that they have either just ovulated or will very soon.  So, they are trying to calculate if they have a good chance for a pregnancy.  And if so, they want to know if they are more likely to get a girl or boy baby.  Part of these calculations is knowing how long the sperm can survive.

So, someone who wants a boy might ask: “how long does it take for the Y sperm to reach the egg?  My wife and I want a boy baby.  We waited to have intercourse until after ovulation and we might try again in a day or two.  But if it takes the sperm days to reach the egg, then might this be a waste of time?”

Honestly, the sperm speed can vary. Sperm can make its trip anywhere from an hour to days.  Y sperm is faster, but that doesn’t mean that there won’t be a few slow Y’s or a few fast X’s.  It’s said that some sperm reach the egg in as quickly as half an hour to forty five minutes and some take as long as a few days.  Since the egg can survive five days or more, the timing does have some overlap and flexibility.  For a boy conception, it’s said the Y sperm are faster than the female sperm so I’d suspect that more of the Y sperm are reaching that time frame of within one hour.  (But it’s probably also safe to say that not all of them are.)  Since you have a better chance of getting boys after ovulation and that time period has passed, I do not see any harm in trying again in a day or two.

However, if you wanted a girl, you would not want to have sex again after ovulation, since that would favor a boy.  The girl sperm are said to be slower, so it’s possible that many of them would take days to reach the egg.  That’s why it’s really advisable to worry about more than just timing since the life span of the sperm is individual.  They don’t all have the same speed or life span and there can be a good deal of overlap.  While it’s probably fair to say that conceiving after ovulation gives you more boy than girl sperm, there’s probably still going to be girl sperm available to the egg even after ovulation.  Yes, the chances for a boy would be better, but why not do everything in your power to raise the chances?  Another way to do this is to make the woman’s PH optimal for the gender that you want and to use the sexual positions that get the sperm closer or further away from the egg, (again depending upon what gender you want.) I’ve put together some cheat sheets that outline all three variables – timing, PH, and positioning – that are important for baby gender.   If you want a boy baby, see  http://conceive-a-boy-baby.comIf you want a girl, see


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