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Any sharp pain
in a pregnant lady during early weeks need emergency review by a doctor as this may be a sign of an ectopic pregnancy
which is a life threatening situation if timely management is not performed.
Normal vaginal secretions increase during pregnancy but if they are foul smelling &/ or associated with itching or contain blood this need evaluation.
So, please take her to the Doctor's as soon as possible to rule out an ectopic pregnancy & all other causes of an acute abdomen