Table 1 shows the results of the first and second measurement of ACTH, CAP1, and CAP2 in the sixth and ninth weeks of pregnancies after infertility treatment in 24 pregnant women who miscarried, as well as in 136 pregnant women who delivered without complications, hospitalized in the first trimester in the period of ±3 weeks from the date of miscarriage of each woman from the first group. The gene discussed is CAP2; the disease is Infertility.