Hello Dr. My sister in law ki period date 19 may thi but period nhi hua or unhone 22 ko check kiya to bhut light line aai ,uske baad ubhone 23 ko chk kiya to second line phle s dark but wo light hi h .. or unko vomiting ore khane ka mn bhi nhi hota kuch. Mam unko pregnancy h ya nhi... Koi dr nhi h wha dkhne k liye.. plz answer me positive h ya negative