how many days does fertilization last?
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Conception may take place as soon as three minutes after sexual intercourse, or it may take up to five days. Implantation occurs five to 10 days after fertilization, which means anywhere from five to 15 days after you had sex.
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You can only conceive on two days each cycle. The 'fertile window' lasts up to 6 days. You are at your most fertile the day you ovulate and the day before. However, because sperm can survive for up to five days, having sex on the days leading up to ovulation can increase your chances of getting pregnant.
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The best time to have sex to conceive varies Ovulation lasts for 12 to 48 hours, but you are potentially fertile for up to seven days, and maybe up to 10 days, according to the most optimistic studies. 1﻿ This is because sperm can survive up to five days in the female reproductive tract.
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Ejaculated sperm remain viable for several days within the female reproductive tract. Fertilization is possible as long as the sperm remain alive — up to five days. Sperm can also be preserved for decades when semen is frozen.
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According to the popular Safe Period Calculator method, day 1 to day 7 are safe and unfertile in a regular menstrual cycle which lasts 26 to 32 days. This takes into account the premise that the lifespan of the sperm in the reproductive canal is 3 to 5 days. This method calculates that ovulation occurs onthe 19th day.
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Post ejaculation, the time it takes the sperm to reach the egg can take 45 minutes to 12 hours, but sperm are capable of surviving more than six days in a woman's body. Research has shown that visible zinc sparks are released along with calcium levels at the time of fertilization.
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Implantation: Seven to 14 days after sex, the fertilized egg attaches itself to the lining of the uterus. This is implantation.
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Mistake No. After ovulation, the egg can be fertilized for only about 24 hours. If you're wrong about ovulation, you'll have to wait to try again the next month. Because sperm can live for three to five days, having sex in the few days leading up to ovulation will increase your chances of getting pregnant, experts say.
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The precise timing depends on how long the egg lives and how quickly the sperm reaches the egg. But in almost all cases, IUI fertilization will take place in a day or two after the procedure --and sometimes just a few hours later. Sperm can live inside the reproductive tract for as long as seven days.
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If your period lasts 5-7 days and you have sex towards the end, you may be able to conceive on day 11, as sperm can survive up to 5 days after intercourse.
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Fertilization: Sperm Penetrates Egg It takes about 24 hours for a sperm cell to fertilize an egg. When the sperm penetrates the egg, the surface of the egg changes so that no other sperm can enter.
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Even though the egg is only viable for 24 hours, sperm are able to survive inside a female body and fertilize the egg for up to five days after intercourse, so any intercourse within five days of ovulation could result in conception - hence, this window of time is called the fertile window.
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After ovulation the egg lives for 12 to 24 hours and must be fertilised in that time if a woman is to become pregnant.
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In theory, sperm can survive in fertile quality cervical mucus for up to 6 days. However, a recent study showed the vast majority of conceptions, 94%, occurred with sperm that were no more than 2 days old. If you have sex 1-2 days before ovulation, then the sperm are right there waiting when the egg is released.
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Conception and implantation The egg can be fertilized for 12 to 24 hours after it's released as it travels down the fallopian tube toward the uterus. If an egg meets up with a sperm cell that has made its way into the fallopian tube, it combines into one cell, a process that's known as fertilization or conception.
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What is fertilization? After you ovulate, your egg stays in the fallopian tube for 12 to 24 hours waiting to be fertilized by one of the 250 million sperm (on average) that your partner ejaculates during sex.
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The five days before ovulation, together with the day you ovulate, are the days when you are most likely to conceive. Sperm can live up to five days inside your body, so if you have sex up to five days before your egg is released, you can get pregnant.