Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector5622210.17816/kazmj56222EditorialStudy of sterility in womenD.A.info@eco-vector.com100319383433313312012202020122020Copyright © 2020, D. A.2020<p>A. studied the causes of childlessness in 190 marriages.</p>Kazan Medical archiveКазанский медицинский архив