We are sorry to hear of the difficulties in your marriage. In this case,
use of birth control is permissible.
Divorce is a very serious matter. If you haven't already, we urge you to see a qualified counseling professional, as a couple or alone. Sometimes even a seemingly hopeless situation can improve with appropriate help. When a marriage cannot be saved, proper counseling can help improve the divorce process. A directory of religious counselors is available through
Nefesh: The International Network of Orthodox Mental Health Professionals.