Suggest Remedies To Delay Periods And Safe Sex

Hi Sir,
I'm going to marry in this month and my wife is so friendly to me that she said about her periods to be come on the same date of our marriage. Is there any options of extending her periods and what are the safe precautions to be taken care while having sex for the first time in my life so that we both can enjoy truly without any pains and sorrow. I came to know through my friend that it may happen that some girls bleeds while having sex. SO Plz tell me what safety methods to be taken either to stop bleeding or to avoid bleeding.