Reproductive cycle

Reproductive cycle

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Reproductive cycle
Posted in 2013

Remember that, biologically, the main goal of sexual reproduction is to have the sperm combine with the egg to make a baby. With respect to the man, age is not critical. Most men are capable of producing sperm that can fertilize an egg at any time from the onset of puberty until they die; there have been cases in which men in their 70s and 80s have conceived children with younger women. Women, on the other hand, have something of a limited window for fertility. They typically can release fertilizable eggs from the time of puberty until their late 40s or early 50s. After that time, their ovaries stop releasing eggs and they undergo various biochemical and physiological changes, the sum of which is called menopause.
Although women are capable of conceiving a child from puberty to menopause, the timing of sexual intercourse is critical to the success of sexual reproduction. Women have an ovulatory -- or menstrual -- cycle, made up of complex physiological and biochemical changes that are linked to the timing of reproduction.
In the first phase of the menstrual cycle, a follicle (the cell complex that surrounds and nurtures the egg) grows in the ovary, while the lining of the uterus builds up to receive a fertilized egg. At mid-cycle, when the egg is ready, the ovary releases the egg. This stage is called ovulation, and is the optimum time for fertilization to take place. The egg enters one of the Fallopian tubes on its way to the uterus. In the last phase of the menstrual cycle, one of two things happens: If the egg is fertilized, it continues on to the uterus, attaches to the lining and pregnancy begins, but if the egg is not fertilized, the uterus sheds its lining and the now-dead egg, menses begins and another menstrual cycle ensues.

My advise
1....   The menstrual cycle starts with the first day of the period and ends when the next period begins

2..  Hormone signals are sent back and forth between the brain and the ovaries, causing changes to the sacs in the ovaries that contain eggs (follicles) and the uterus

3... The first part of the cycle prepares an egg to be released from the ovary and builds the lining of the uterus

4..  The second part of the cycle prepares the uterus and body to accept a fertilized egg, or to start the next cycle if pregnancy doesn’t happen

5...  The menstrual cycle is more than just the period. In fact, the period is just the first phase of the cycle. The menstrual cycle is actually made up of two cycles that interact and overlap—one happening in the ovaries and one in the uterus. The brain, ovaries, and uterus work together and communicate through hormones (chemical signals sent through the blood from one part of the body to another) to keep the cycle going.

6..   The first part of the cycle..Menstruation::When: From the time bleeding starts to the time it ends What: Old blood and tissue from inside the uterus is shed through the vagina

7....  The second part of cycle..Ovary:: Luteal Phase::When: From ovulation until the start of the next period What: The sac that contained the egg produces estrogen and progesterone.

Once ovulation occurs, the follicle that contained the egg transforms into something called a corpus luteum and begins to produce progesterone as well as estrogen (10,13). Progesterone levels peak about halfway through this phase (14). The hormonal changes of the luteal phase are associated with common premenstrual symptoms that many people experience, such as mood changes, headaches, acne, bloating, and breast tenderness.

8...   Your menstrual cycle is as shown in the picture if you follow healthy habits.

9...      You can conceive in the most fertile days if you participate in Sex
10...    Eat Healthy food and think positively

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