Nikaah & Marriage Issues

Q: Is it permissible to give thank you cards and wedding cards to invite people to a wedding in islam?

Q: Is it not permissible to stay with one's wife and to have intercourse with her in the month of Safar?

Q: Can a Muslim girl above 18 years of age marry on her own to a practicing Muslim without any wali or without informing her parents. Will such a nikaah without any wali be valid?

Q: Is masturbation allowed in Islam? Is it necessary for a male and female to take a bath after masturbation?

Q: Is it permissible for someone to give away his newborn to his brother or sister if they don't possess a child and the child is to to be adopted forever.

Q: Is it permitted to find out the sex of the baby before the baby is born?

Q: What is the ruling regarding engagements, ring ceremonies in Islam? Is it permissible to conduct nikah in lawns?

Q: I am a muslim guy and I want to marry a girl. She is also a born muslim but her father is not muslim and her mother is also a muslim. So I want to marry her but we dont want to tell her parents about the nikah and will tell them later. Please advise me. Should i marry her withot her parents consent? Is it right and after nikah we have decided that the girl will live with their parents until we tell them about our nikaah.

Q: My question is I want to marry a girl and she also agrees. But she can not come out of her home and also both her parents would not agree to let her get married with me. Now what are the conditions for both of us to get married?

Q: Can a widow step mother and step son stay alone without a mahram. My father in law passed away 2 years back and my step mother in law says that she is my husband's responsibility now. They stay together alone discussing things and as a wife I am not comfortable with this.