Foreign Pippy longstockings like farse

I was watching TV several years ago and on IFC movie channel I imagine I saw a Scandinavian film that was very fast paced, and absurd.  It was about a man and woman; a couple I believe.  I remember them having a baby, real quick gestation and just comedy campy adventures between them.  I also remember a bathtub scene.  It was pippy longstockings type a movie but would be rated PG13 or an R.  Please Help!

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