Some Rulings of Iddah

Summarized Fatawaa

Is it permissible for a Christian man to embrace Islam in secret and is it permissible for a Muslim woman to marry him?

Praise be to Allah the Lord of the Worlds. May His peace and blessings be upon our Prophet Mohammad and upon all his family and companions.
His embracing Islam in secret is between him and Allah; however, it isn`t permissible for a Muslim woman to marry him except after he declares his Islam and it is ascertained that he is sincere about that. And Allah the Almighty knows best.

Is it permissible for me to name my newborn baby boy “Al-Moustafa” ?

There is no harm in naming your son “Moustafa” without using the ”Al”.

Has Islam made it incumbent on us to give our children particular names?

No, it hasn`t, but it is desirable that we give them good names.

When Iddah (Waiting period) is Initiated for Deceased's Wife 

All perfect praise be to Allah, The Lord of The Worlds, and may His Peace and Blessings be upon our Prophet Muhammad and upon all of his family and companions.

Iddah is observed on the same date at which her husband passed away for four months, but as for the pregnant, it is observed at the date she gives birth. And Allah Knows Best.