Myositis and pregnacy

anyone out there that has gotten pregnet with having myositis? my daughter wants to have another baby. she was very sore when pregnet with first baby. we found after giving birth she had sle lupus, and now the many other gifts that go with it. she is now being tested for myositis. why her dr didnt test her for this before is crazy. she has been in pain, sometimes extream pain over a year and a half! she hs givin so much up cause of these unwanted gifts! she dont want to give up giving her daughter a sibling.