A missing period affects a lot more than your ability to get pregnant. Here's what low estrogen is quietly doing to your bones, your heart, your mood, and your long-term health as an athlete.

Not sure what lab work you actually need if you've lost your period? Most standard bloodwork misses the full picture. Here are the exact tests that matter, what each one is looking for, and what your results mean for next steps.

"Lost your period since you started training? The reason probably isn't what your doctor told you. Learn why low energy availability — not body weight — is the real driver behind period loss in female athletes, and the exact steps to get your cycle back without giving up your training."