When it comes to cancer, catching it early can make all the difference.

Yet many women often brush off certain warning signs as minor or harmless—when in truth, they could be red flags for something much more serious.

Here are 15 symptoms that women should never ignore, along with why paying attention to them could save lives.

1. Unexplained Weight Loss

Dropping more than 10 pounds without dieting or increasing exercise may point to cancers such as stomach, lung, or pancreatic cancer.

2. Ongoing Fatigue

Extreme exhaustion that doesn’t improve with rest could be a sign of leukemia, colon cancer, or thyroid problems.

3. Breast Changes

Lumps, changes in shape, redness, or nipple discharge may indicate breast cancer, even if they aren’t painful.

4. Abnormal Vaginal Bleeding

Bleeding between periods, after sex, or after menopause can be linked to cervical, uterine, or ovarian cancer.

5. Pelvic or Abdominal Pain

Frequent bloating, cramps, or pelvic discomfort may point to ovarian or endometrial cancer.

6. Unusual Skin Changes

Dark spots, irregular moles, or sores that don’t heal can signal skin cancer.

7. Persistent Cough or Hoarseness

A cough lasting more than three weeks—especially with blood—may suggest lung or throat cancer.