In Joy (2018) Ukraine
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In Joy aka В радости, и только в радости aka V radostі, і tіlky v radostі
https://www.imdb.com/title/tt7830198/?ref_=ttrel_ov_i
"Olia is a young lonely mother. She falls in love with a fellow but does not have the courage to tell him that she has a son. As their relationship develops rapidly the revelation becomes more complicated. The choice between her personal life and responsibility for her son arises."