Masaail relating to intimacy

Q: My wife has periods wherein bleeding stops after three days. Can I get intimate with her after three days or should I wait more. Please clarify.

Q: Is sexual intimacy prior to bridal departure (rukhsati) permissible if Nikkah is already done. If this is not permissible then why?

Q: One of my patients came to me and was asking me regarding the side effects on the person for husband and wife that what will happen if some one does inter-course with his wife during her mentrual cycle to be exact 4th day of the cycle and was asking me the what is the Islamic point of view on that, is it harm/ or sin if someone does intercourse with his wife during her mentrual cycle? Please give your expert advice.

Q: I have made a terrible mistake. I had sex with my wife from behind three times. I took an oath from Allah not to do it and still did it knowing it's wrong. I am very ashamed. Please tell me what to do as soon as possible. If I have to do kaffarah and what else for forgiveness.

Q: Is it permitted in Islam to have intercourse with wife fully uncovered?And is it correct to see each other's private parts?

Q: Is it permissible in Islam to see the private parts of the wife during intercourse. And is it allowed to have intercourse in open light?

Q: How to spend the first night of wedding as per sunnat. Is there any book which I should refer to? Waiting for your favorable response.

Q: Suppose if a couple have a baby who has just reached 2 years of age and as a result baby's mother stops breastfeeding him. But there is milk left in the breast and the husband wants to drink this milk intentionally during foreplay. Can the husband do this because this milk has no use now as their child no more drinks breast milk. Please give me the answer as soon as possible.