Archive for March 23rd, 2009

 

CAUSES OF INFERTILITY

March 23rd, 2009

The problem may lie in one of these areas: • The woman—70 to 75 per cent of infertile couples have a female factor. • The man—30 to 35 per cent have a male factor. • The couple—40 per cent of infertile couples have more than one factor. In some couples no cause will be identified. [...]

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WHAT IS HAPPENING IN EARLY PREGNANCY?

March 23rd, 2009

A pregnancy usually lasts forty weeks, or close to nine months. This time has been divided up into three ‘trimesters’. Each trimester lasts about three months (or thirteen weeks). During the first trimester (zero to thirteen weeks) conception, implantation in the uterus, and formation of a placenta and embryo occur. In the second trimester, more [...]

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HEPATITIS B: PREVENTION

March 23rd, 2009

The general run-of-the-mill safe-sex, be careful, and don’t share needles rules apply. The fact that people know what they should and shouldn’t do unfortunately does not always stop them from getting the disease. A vaccine has been developed which gives people protection against hepatitis B. It is being given to people at particular risk, such [...]

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CONTRACEPTIVE PILL “THE PILL”: HOW THE PILL CAN FAIL

March 23rd, 2009

If there is a drop in the level of hormones floating around the body the egg preventing mechanism can fail, and ovulation may take place. Things which can drop the level of hormone include: Not taking the tablet—If you miss a tablet, or are late (by more than twelve hours), you can’t maintain a high [...]

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FEMALE ANATOMY: THE LIFE-CYCLE OF THE OVARY

March 23rd, 2009

The stimulating hormones, FSH and I.H, are produced in the brain (init complex interplay between the hypothalamus and the pituitary gland, two parts of the brain). FSH sends a message to the ovary. One of the ovaries (they usually take it in turn) responds by developing follicles, which make potential eggs. There are several follicles [...]

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