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Back to Sexual health. Puberty can be a confusing time, because your body and your feelings are changing as you grow up. Here are answers to some of the questions that boys often ask about their bodies.

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Its the sticky genetic code of self-sufficient men who have protected and provided for family, women and children. Its the haplogroup of men who built civilization. I have the genetic lineage of warriors, business owners, firefighters, blacksmiths, farmers, herders, poets, politicians, soldiers, artists and even chefs.

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A healthy male discharges 50 million sperm in a single ejaculation. During sexual intercourse, of all those millions of sperm, only a couple hundred will make it to a mature egg that is ready to be fertilized. It is important to remember that there is still a lot to learn about male fertility.

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Sex is so much fun that you just feel like doing it over and over again. The desire to do it again and again is never-ending. But how much sex is good for you?

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As was noted in the previous section, although a dominant chimpanzee may try to monopolize time with a female in estrous, most of the competition in this species is carried out at the level of the sperm. The reproductive tract inside a female chimpanzee becomes the battleground for a sperm war that takes place over the course of several days. Only one sperm among all of the billions within her vaginal tract and uterus can win the prize of fertilizing the egg.

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Of course you don't want to think you're doing anything wrong when it comes to baby-making, but at least this mistake is fun to fix! But many days of not having sex can throw off conception. So go ahead -- have sex as often as you like, paying special attention to the few days before ovulation.

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It is usually a white or yellowish, sticky substance made up of sperm male cells for sexual reproduction floating in a fluid called seminal plasma that has water and different chemicals in it. Normally, an ejaculation makes between 1. Some scientists think that semen that is taken into a woman's body causes her not to feel depressed or sad.

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By Telegraph Men. Men who sleep with a variety of different partners produce better quality sperm, according to new research. Scientists who carried out the study at The College of Wooster in Ohio, USA, also concluded that more promiscuous men reach orgasm faster.

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Daily sex keeps a man's sperm spry and is recommended for couples wanting a baby, according to new research. Having regular sex clears sperm from the testicles and prevents the natural build-up of DNA damage, Australian scientists found. They said that would-be fathers should copulate once a day for a week before their partner is ready to conceive.

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Women are turning to sperm donor websites where men offer 'natural insemination'. Helen Croydon went undercover to find out more. Sarah, 42, met Carl, 35, through a website called co-parents. Traditionally, sperm donor sites link single women, lesbian or infertile couples with men willing to donate samples through artificial insemination.

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