Breast pain around d time of periods is pms .. and unless quite disturbing u needn't worry bout it..home remedies and if required a paracetamol can be helpful..vit e is known to help Retracted nipples needn't b a concern till u çoncieve..once u reach ur 9th month..nearing delivery or immediately after ur doctor or lactational advisor can help u to understand how to reverse a retracted nipple. Both d symptoms have no causal relationship to each other.. Ur hormones aren't in good shape..i wonder why u mentioned that..if u have irregular cycles or issues like that u can go ahead and consult a gynecologist and discuss d need for ultrasound and hormone tests..

U. Have pms problem so before period don't take much fluid problem will reduce