Infertility is the inability to conceive after one year of regular unprotected intercourse. This definition is reduced to six months for:
Around 1 in 6 couples have difficulty in achieving a pregnancy and this proportion is increasing, largely for two reasons: firstly, women are delaying starting their families and secondly, sperm counts are falling.
The earlier you seek help, the greater your chances for success. If you and your partner have been trying to conceive without success, have been diagnosed with infertility or are in a same sex relationship, we recommend seeing a specialist as soon as possible.
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There are many reasons why you might be having difficulty getting pregnant but broadly speaking they are due to problems of sperm quality, problems of producing an egg (ovulation) and egg quality, problems with the fallopian tubes or a combination of these factors or other factors.
Common sperm problems
In many parts of the world sperm counts are falling. As a result, we are seeing more men with:
Common egg problems:
Common Fallopian tube problems:
Endometriosis is a common condition where the cells that line the womb occur outside the womb in the abdomen. Moderate and severe disease can affect the function of the ovaries and the fallopian tubes but even mild endometriosis can have a negative effect on a couple’s fertility, possibly by subtle effects on the function of sperm or the fallopian tubes.
In a proportion of couples we cannot find an obvious cause for their subfertility and this is termed “unexplained infertility”. It does not mean that there is nothing wrong, it just reflects our knowledge at the present time, and it might be due to a subtle problem with one of the hundreds of things that are required for successful conception and implantation.