It is permissible in Islam for women to go out during the 40 days of nifas to any place she wants, so long as she fulfils the Shar’i conditions (i.e., hijab etc.)

You should not delay ghusl after having sexual intercourse with your wife in Ramadan so that you can pray Fajr with the congregation in the mosque.

The scholars said that leftover water from which a dog has drunk and the saliva of dogs are impure, and that vessels and garments licked by a dog must be washed seven times, one of them being with earth.