Yellowish discharge during pregnancy can be normal, but it is important to pay attention to other accompanying symptoms. If the discharge is accompanied by itching, foul odor, or discomfort, it could indicate an infection such as bacterial vaginosis or a sexually transmitted infection. It is recommended to consult your healthcare provider for an evaluation and proper diagnosis. They may perform tests or examinations to determine the cause of the discharge and provide appropriate treatment if necessary. It's always better to err on the side of caution when it comes to changes in vaginal discharge during pregnancy.