According to most recent data, the problem of infertility concerns approx. 15-20% of the population. The scale of this problem in Poland is similar to that in most Western countries. It is estimated that approx. 3 million people in Poland may have problems with conceiving. According to the data of the European Society of Human Reproduction and Embryology (ESHRE), approx. a dozen or so thousand couples per year use in vitro procedures in Poland.