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Intrauterine Insemination

insemination

At the time of ovulation, specially prepared „washed sperms“ of the partner (so-called homologous insemination, as opposed to heterologous insemination with foreign sperms) are placed directly into the uterine cavity with the help of a thin catheter. The preparation includes cycle monitoring with or without hormonal stimulation and after triggering the ovulation. The hormones are given either as tablets (Clomifen) or by means of daily subcutaneous (under the skin) self-injections (FSH), which most of our patients can learn without a problem. Today insemination into vagina or into the cervix is no longer done. Multiple inseminations (2 or 3 during one cycle) are not done either because of their low success rate.

Insemination is mainly applied in the case of a slight limited male fertility. It has been proved that insemination is reasonable up to the limit of about 5 million motile sperms. In the case of less then 10 millions motile sperms, the IVF therapy offers better chances for success. If fewer then 10 millions motile sperms are available, the chances are significantly lower and in these cases we recommend ICSI.

If men do not have ejaculation or erection with their partner (so-called impotence), insemination can help to achieve pregnancy.

Pathological findings in the area of the cervix, which can prevent sperms from getting into the uterine cavity, can also be a reason for insemination.

Chances for success of intrauterine insemination

Depending on the reason of infertility, the chances for success of this procedure are between 10 to 15 percent per cycle, but they strongly depend on the age. The younger women have a higher, the older women a lower chance to get pregnant. It is the same during natural conception.

The relation between success and age is indisputable today. For example an examination of 262 women has shown that in a woman younger then 35 the chance is 18, 5 %/cycle, in women between 35 and 40 - 11,9 % and in women older then 40 - 5,4 %. Therefore, please do not expect a miracle, but you still have a better chance to get pregnant with the help of insemination rather then to try further without any medical help.

An intrauterine insemination is a simple therapy with almost no side effects, but it should be carried out 4 to 6 times at the most, since the chance for success is very low afterwards. The most women that get pregnant as a result of insemination achieve success within 3-4 cycles.