Low sperm count in the male partner can be a cause of infertility in couples. However, there are several treatment options available to help overcome this issue. One such option is Intrauterine Insemination (IUI).

IUI:
IUI, or intrauterine insemination, is a procedure that involves placing washed and concentrated sperm directly into the woman's uterus during her fertile window. This procedure can increase the chances of sperm reaching and fertilizing the egg, especially when the male partner has a low sperm count.

The IUI procedure involves the following steps:

1. Sperm Collection: The male partner provides a semen sample, which is then prepared in the laboratory. The semen sample is washed to remove any impurities and concentrated to increase the number of motile sperm.

2. Ovulation Monitoring: The female partner's ovulation cycle is closely monitored to determine the optimal timing for the IUI procedure. This is usually done through ultrasounds, blood tests, or ovulation predictor kits.

3. Insemination: On the day of the procedure, the concentrated sperm sample is inserted into the woman's uterus using a thin catheter. This is a relatively painless procedure and does not require anesthesia.

4. Post-procedure: After the insemination, the woman may be advised to lie down for a short period to allow the sperm to swim towards the fallopian tubes. Some women may also be prescribed progesterone supplements to support the implantation process.

Effectiveness of IUI:
IUI can be an effective treatment option for couples where the male partner has a low sperm count. It allows for a higher concentration of motile sperm to be placed directly into the uterus, increasing the chances of fertilization. However, the success rates of IUI can vary depending on various factors, such as the age of the female partner, the cause of infertility, and the overall health of both partners.

It is important to note that IUI may not be suitable for all couples with male infertility issues. In cases where the male partner has severely low sperm count or other significant fertility problems, other assisted reproductive technologies such as In Vitro Fertilization (IVF) may be recommended.

In conclusion, IUI is a viable treatment option for couples where the male partner has a very low sperm count. It can increase the chances of pregnancy by placing a concentrated sample of motile sperm directly into the woman's uterus. However, the suitability of IUI and its success rates may vary depending on individual circumstances, so it is important to consult with a fertility specialist to determine the most appropriate treatment option.