1. Department of Gynecology and Obstetrics, Municipal Hospital, PL‑39460 Nowa Dęba, Poland
2. Second Department of Gynecology, Lublin Medical University, PL‑20954 Lublin, Poland
3. Department of Clinical Pathology, Lublin Medical University, PL‑20954 Lublin, Poland
4. Medical Institute, State School, PL‑38500 Sanok, Poland
5. Department of Biochemistry and Molecular Biology, Lublin Medical University, PL-20093 Lublin, Poland
6. Department of Obstetrics and Pathology of Pregnancy, Lublin Medical University, PL‑20081 Lublin, Poland