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    Trying to concieve
    avatar
    tamarajones12 posted:
    Hello,
    ok i have 2 questions...first ?....i was looking online at the ovulation calenders and i saw that i was ovulating on the 17th but i happen to see this on the 18th and i had sex so i want to know was it to late for me to get pregnant because i passed up my time even though i was a day late? and my 2nd ? is can i just have sex on one of my fertile days and get pregnant or do i have to do it on all fertile days? please help thank you so much
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    avatar
    DUKE MEDICINE
    David K Walmer, MD, PhD responded:
    Testosterone dictates ideal reproductive behavior in men and women. Men's testosterone is up all of the time. Their brains are telling them to keep the pipes clean. Every time men ejaculate, they move the old sperm out of the way and the young sperm move to the front of the line. If men abstain from intercourse for 2 weeks, there might not be any motile sperm in the ejaculate. If they ejaculate once or twice a week that is fine. Women have a fertile window of 3-5 days just before ovulation when the water content of their cervical mucous increases, which allows sperm to enter the cervix. Couples need to hit this window at least once to get sperm into the cervix. The cervix acts as a reservoir / time release capsule for sperm and slowly releases them upstream for days so that there will always be sperm in the tubes waiting for the eggs. The eggs have a very short window 12-18 or so hours that they are receptive to sperm. It is hard to predict ovulation exactly so you should try to have intercourse on the day of the LH surge ( ovulation predictor test) or before. This translates into the period of time that is 14-19 days before the next menstrual period for most women. Good luck!


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