Spotting the warning signs of cancer early is often crucial to treating the disease effectively. While that means scheduling regular checkups with your doctor and making sure you’re getting the screening tests you need when you need them, it’s just as important to be watching for any subtle changes to how you’re feeling. After all, no one knows your body better than you — so it’s crucial that you pay attention to and follow up on anything that seems out of the ordinary. Here are 15 possible warning signs of cancer that every woman should watch for.