Waiting period

I am a teacher and my husband has passed away. Is it permissible for me to return to work before the waiting period for the death of my husband ends? Please note that it is the beginning of the school year and I am not eligible for any kind of leave.

Is it permissible to propose to woman during the waiting period of a revocable divorce?

What is the ruling for a widow who is pregnant? Does her waiting period end immediately after she gives birth even if she delivers her child soon after her husband's death? On the other hand, is she to observe the same number of months as in the 'idda of a [non-pregnant] woman whose husband has died?

My wife gave birth 40 days ago. Since day 37 she ceased to discharge red blood but began discharging lightly colored water. On days 39 and 40, she began to discharge red colored water and on day 41 odorless light red blood.
What is the maximum period for post natal bleeding? Is she to pray and fast during this time?

I divorced my wife, a British Muslim, with a revocable divorce on 18 February 2006 and I have not taken her back since. She is elderly and menopausal. What is the legal ruling for this?

What is the minimum gestation period according to Islamic law?

My husband passed away; he had [previously] written a registry of furnishings in the marital house and which included some grams of gold in my name. What is the ruling for this gold: is it to be estimated at its going price or its price when the registry was written? What is the ruling for the deferred bridal gift and the furnishings in the marital house?

What is the ruling for a wife who refuses to give her husband his conjugal rights? Is she considered a rebellious wife and is she entitled to waiting period expenses, alimony and her deferred dowry?

My sister’s husband has been absent since 10 May 2000. We do not know his whereabouts until today, so we filed for divorce. In January 2006, the court granted my sister a divorce. When will her ‘iddah waiting period after her divorce be?

What is the ruling for a man is married to four wives simultaneously and divorces one of them with a revocable divorce on the first day of the month? Is it permissible for him to take another wife other than the one he divorced? Does a man observe a waiting period after divorce or must he wait until the waiting period of the wife he divorced ends before remarrying so as not to violate the juristic rule which states that it is impermissible for a man to combine between five wives in marriage?

What is the ruling for the deferred dowry after a husband's death?

My son has been married since 2002. The impossibility of continuing marital life is evident to both my son, his wife and the families of both and the two parties have agreed to divorce. Their agreement was based on the fact that my son will pay his wife the deferred bridal gift which was documented in the marriage contract and all the household furnishings listed in the registry of furniture. My son is 35 years old and his wife is 27. Kindly inform us of the legal ruling of the following:

1. The waiting period expenses (its amount and duration).
2. Alimony (its amount and duration).