Hormones are also at work in men's bodies, preparing them to be able to father a child. The pituitary gland in the brain tends a hormone called follicle-stimulating hormone (FSH) to the testicles, signaling them to produce sperm, the male reproductive cells. Sperm are produced in the testicles. Then they travel through a tube called the vas deferens to the seminal vesicle, which keeps the mature sperm.
The prostate gland produces a seminal fluid, which transport the sperm in the urethra. The urethra is a tube extending from the bladder, through the prostate and through the penis to the outside of the man's body.
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After sexual stimulation, vessels in the penis fill with blood, causing the penis to become firm and erect (the male erection). The prostate gland fills with as much seminal fluids as it can comfortably hold, after which it contracts. The contractions draw sperm from the seminal vesicle. Seminal fluid mixed with sperm is called semen. The contractions of the prostate gland force the semen through the urethra and out the tip of the penis (ejaculation). The ejaculate (semen) is a teaspoon to a tablespoon of thick milky liquid and contains millions of microscopic sperm. Urine and semen both transport through urethra. But when a man has an erection, a valve closes between the prostate gland and the bladder to stop urine flow when semen is ejaculated.
So, urine and semen never mixed together - thanks to this special valve.
After sexual intercourse and ejaculation, the sperm move up from the vagina to the uterus. Sperm moves with the help of the cervical mucus that is produced during the fertile time of a woman's cycle of fertility.
A woman's vagina is normally acidic to protect women from infections The acidic secretions of the vagina are hostile to sperm. But when it comes to the fertile time, vaginal secretion becomes more alkaline which protects the sperm from the acidic environment of the vagina. It also kills imperfect sperm and helps the healthy sperm move up into the uterus. From the uterus the sperm moves into the fallopian tubes.
The male hormone testosterone causes a man to feel competitive, aggressive and very interested in women. However, successful men are able to control their sexual urges and learn to use their sexual energy to fulfill their life goals, rather than allowing their hormones to control their lives. (And this is one of the secrets of highly successful people = secrets of using their sexual energy to achieve their goals).
THE SIGNS OF FERTILITY IN A WOMAN'S BODY
There are three important signs of fertility that women can easily learn to recognize. More sensitive and intuitive women are able to observe more fertility signs in their body, but these signs are very individual and vary from woman to woman.
I advise you to learn the three most important signs very well because they are the same for all women. When you have learned the three common ones, you may start noticing subtle fertility signs which are related to you only.
There are also many fertility tests you can buy in the shop. I do not recommend using them as they are very often unreliable. Most of these tests measure substances contained in the urine. Before a fertility indicator is found in the urine, it has been in the blood for some time. Therefore these tests are not as accurate as our own observations. In any case they are unnecessary.
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What are the fertility signs?
The three primary fertility signs are: cervical mucus, cervical position and basal body temperature (BBT). A woman practicing natural fertility may choose to observe one sign, two signs or all three. I recommend you try and master all three of them to be precise with your ovulation time.
Many women experience secondary fertility signs that correlate loosely with ovulation. Examples include breast tenderness and ovulation pains. You can't rely on them, but should include them in your observation. To find out more, you can check out Infertility In Males.
