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The white discharge if present along with symptoms like itching, discomfort, rashes, foul smell, burning, inability to conceive, then it is indication of infection. You should consider getting a test done on the discharge to identify infection and treat it effectively.
If there are no above mentioned associated symptoms and you are experiencing symptoms suggestive of pregnancy (like fatigue, nausea, constipation, increased sleep, hunger and tiredness, mood changes, headaches, increased frequency of urine, breast soreness, nipple sensitivity, food cravings, dizziness, back pain, lower abdominal cramps), then it could suggest pregnancy.
Take care.