Answer: In the following situations, both qadha and Kaffarah become obligatory, provided these acts are committed intentionally, voluntarily and without any force or pressure, during the fasts of Ramadhan:
1. Eating
2. Drinking
3. Sexual Intercourse
4. Masturbation
5. Staying in the state of Janabat till the time of Fajr prayers
And as a recommended precaution, invalidating the fast due to reasons other than those mentioned above, should also be recompensed with Kaffarah, besides the obligatory qadha .

Answer: It is permissible during the three types of istiḥāḍah.

Answer: If the refusal is due to illness or menstruation, it is not permissible for him to force her

Answer: It is Taher (pure), in all cases, whether the sexual intercourse was permissible or forbidden, and the sweat does not invalidate the prayers.

Answer: Puberty in males could be confirmed if one of the four signs was present:
1. First: Completion of fifteen lunar calendar years of age (equal to about 14 years and seven months and fifteen days of the solar calendar).
2. Second: Ejaculation through sexual intercourse, or seminal discharge while awake or asleep.
3.Third: The presence of pubic hair, of the rough type.
4. Fourth: The presence of hair on the face and above the lips.
Note: The presence of under arm and chest hair and the deepening of the voice are not the signs of puberty in Islamic law.
He should begin performing his religious duties when he attains the age of puberty.

Answer: A person becomes Junub (Junub is the term used to refer to a person who is in the state of Janābah) in two ways:
1. sexual intercourse;
2. ejaculation of semen, whether he is asleep or awake, and whether it is a little or a lot, with or without lust, voluntarily or involuntarily.

Answer: It is not permissible if the wife does not approve (obligatory precaution), however, if she consents then it is permissible to use condoms,

Answer: Iddah is not necessary, if no sexual intercourse has taken place.

Answer: It is permissible for a non-infected wife not to make herself available to her infected husband for intimacy that could lead to infection by the virus. It is indeed obligatory on her to prevent him from such intimacy.
If it is possible to lessen the chances of infection to a level that is insignificant —for example, 2%— by using condom, etc, it is permissible for her to be intimate with her husband. In such a case, it is, based on precaution, not permissible for her to refuse [intimate relations with her husband].
This clarifies also the case of a husband who is not a carrier of the virus and wife whose: it is not permissible for him to have sexual relations with her in accordance with what sensible people perceive as considerable risk— of being infected by the virus. In such a case, the wife’s right to have sexual relations [at least once] every four months is suspended, except when it becomes possible to adopt methods that would properly prevent infection with the virus.

Answer: It is permissible, but the obligatory precaution is that it should be after washing the area.