Nikaah & Marriage Issues

Q:

1. Unknowingly about menstrual, wife & husband spend time together. What does she have to do?
2. Is it ok for her to make ghusul or she must make ghusul?
3. In her menstrual cycle time or days she  has to walk through the Musjid a little through the mens section & she has to walk in the middle of the ladies main section to get to the school where she teaches. What can she do about this?

Q: 

1. Did the Prophet (Sallallahu Alayhi Wasallam) or any khalif choose any wife from beyond the territorial distance of a musafir?
2. If so, is it the practice of our Prophet (sallallahu alayhe wasallam) or any khalif , to accompany his wife on holidays to visit his inlaws?
3. Also did any khalif live beyond the Musafir range away from his parents?

Your answers and references are highly appreciated

Q: Is it permissible for a Muslim woman to marry a non-muslim man?

Q: What Tasbee should a pregnant women recite for blessings from Allah?

Q: I have read in kitaabs that a woman in haiz must wear clothes that prevent transfer of body heat during relations with husband. Please can mufti saheb explain this and give examples of clothing that would be fine to wear. E.g are tights fine?

Q: Is the sister of my grandfather mahram to me?

Q: If a boy tells a girl isn't you are my wife infront of two baaligh men and the girl replies yes then are they regarded to be married?

Q: What Surahs and Duas should a pregnant woman read for pious children? I was told by someone to read Surah Taghaabun for pious children. Is this correct?

Q: I am married in court in community of property with my first wife. Recently I had taken a second wife in my nikaah. How will both inherit after I pass away? 

Q: If the walimah takes place after seclusion instead of consummation of the marriage would the sunnat be fulfilled?