For citations:

Salko I.N., Lysyak D.S., Bystritskaya T.S. The course of the first trimester of pregnancy in women with a primary oligomenorrhea after preconception care using progestogens and acupuncture. Pacific Medical Journal. 2021;(3):55-58. (In Russ.) https://doi.org/10.34215/1609-1175-2021-3-55-58