Zikr & Dua

Q: What dua should I read to conceive my third child?

Q: Can we make dua by taking the wasilah of Hazrat Muhammad (Sallallahu Alayhi Wasallam)?

Q: 

1. A person I know is stressed due to his brother having cancer and keeps on worrying for him. He finds it hard to concentrate on his family and work. Is there any dua I could pass on to him so that he is less stressful and could concentrate on his family and work?
2. The patient does not know that he has cancer as they haven't told him, is it ok if they keep it hidden from him?
3. Please give me a dua for that cancer patient?

Q: What can a woman can recite during her periods? Can she recite qurani duas? Can she recite duas of prophet ( Sal-Allah ho Ali hay wasalam)? Can I recite la ill aha illa unta subhanaka innii kuntu minuzalemeen during periods? Is there any special permission required to do this dua as I recite it often without wadu (when I'm not in periods) and many times a day without counting. What can we recite when a girls head isn't covered?

Q: Can I do my homework while I am reading Qur'an or saying astaqfurulah etc. or while I am watching something? Or I have to feel and follow the words I am saying?

Q: If you are in a state of impurity can you still make dhikr? Could you still recite the quran that has been memorised?

Q: When I think of Imam shafi'ees Durood, for some reason I dislike to say the second part of the Durood, using the amount of ghaflat the ghafil people are engaging in as an amount to send Durood to Nabi (Sallallahu Alayhi Wasallam). In my mind this is disrespectful to Nabi (Sallallahu Alayhi Wasallam). Please can mufti saheb clarify and make me understand how to look at this?

Q: When writing the name of the Prophet (Sallallahu Alayhi Wasallam) in a book or article, does the translated English phrase "may the peace and blessings of Allah be upon him" give the same reward as writing the transcribed Arabic "Sallallahu Alayhi Wasallam" after His name?

Q: What is the meaning of the 99 names of Allah and when we do recite it what will be the effect on us if we abundantly recite any name of Allah?

Q: I have a question regarding the reading of Dua-e-gunjul Arsh, Ahad Nama, Durood-e-Taaj, Durood-e-Mahi, durood-e-lakhi, Durood-e-Tunjina, Durood-e-Taaj, can all be recited?  Please Advise.