The loud and desperate cries of your baby are being heard at night – and have been heard for a long time now. They sound like he or she is under excruciating pain or distress.
If you do not know what to do I would advise you to contact the child-protection authorities, seek advice (some links below) and generally take due responsibility for the suffering of a most helpless and dependent person.
If you think you know what you are doing (perhaps leaving her to cry herself to sleep), then bear in mind you might be are causing your baby – and yourself – irreparable harm.”
Nighttime parenting (book) (http://www.amazon.com/gp/product/0452281482?ie=UTF8&tag=phdinpar-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=0452281482)