Vaginal bleeding that is heavier than spotting, especially if it includes clots or tissue
Cramping or pain in the lower abdomen, back, or pelvis
A sudden decrease or loss of pregnancy symptoms such as nausea or breast tenderness
Passing grayish, pink, or tissue-like material from the vagina
An ultrasound showing no heartbeat or no developing pregnancy when one was expected
A positive pregnancy test followed by a negative test after bleeding starts
A healthcare provider confirming the pregnancy has ended
Severe pain, heavy bleeding, dizziness, fainting, or fever, which need urgent medical care