Normal menstruation usually lasts from 3 to 7 days, so everything is fine in your case. Nipple and breast pain during the period most often results from hormonal changes taking place in a woman's body. It is worth putting on a comfortable, non-compressive bra during this time. If you notice other symptoms of pain (fever, discharge, swelling), see a doctor immediately.

For more information:

https://www.gdziepolek.pl/kategorie/leki-na-zaburzenia-miesiaczkowania

https://www.gdziepolek.pl/blog/edukacja-seksualna-o-co-pacjenci-anonimowo-pytaja-farmaceutow

In case of any doubts, I encourage you to use the teleconsultation with a gynaecologist - the service is available on our website in the e-visit tab:

https://www.gdziepolek.pl/telekonsultacja/z-ginekologiem