nazor mojho lekara si si mohla precitat tuto nizsie :D (Ilavsky)

nasla som nejake studie, toto su sice len abstrakty ale myslim ze aj to posluzi:
http://online.liebertpub.com/doi/abs/10.1089/jwh.2009.1929
CONCLUSION: These results demonstrate that a single-size vaginal device has no significant health risks and is acceptable to many women without the need for fitting or other medical services.
http://pubmedcentralcanada.ca/articlerender.cgi?accid=PMC3114692&tool=pmcentrez
CONCLUSION: Both of the menstrual management methods evaluated were well tolerated by subjects. Menstrual cups are a satisfactory alternative to tampons and have the potential to be a sustainable solution to menstrual management, with moderate cost savings and much-reduced environmental effects compared with tampons.

co je trochu znepokojive je toto http://www.ncbi.nlm.nih.gov/pubmed/12867766 , kde sa venuju pripadu, kedy sa u zeny po 4 rokoch pouzivania kalisku vyvinula endometrioza (to je vsak choroba u ktorej sa presne nevie co ju vyvolava)