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  1. Kids

    What Is the Average Height for an 11-Year-Old Girl?

    Most 11-year-old girls fall between 4’6″ and 5’1″, but wide variation is normal. Learn what shapes height at this age and when to check in with a doctor.

    By Sarah De Jesus
  2. Kids

    How Many Ounces Should a 3-Week-Old Eat Per Day?

    At 3 weeks old, most babies need 2–3 oz per feeding. Learn typical intake ranges, hunger cues, and when to check in with your pediatrician.

    By Kwame Achieng
  3. Reproductive

    What Does the Inside of the Vagina Look Like?

    A clear, honest look at vaginal anatomy — from wall texture and cervix to discharge and how things shift with age and arousal.

    By Laurie R. Hart
  4. Reproductive

    Why Does My Lower Back Hurt During My Period?

    Period back pain is common, but not always normal. Learn what causes it, when it signals something like endometriosis, and how to find relief.

    By Paige Barrett
  5. Cancer

    How Long Does It Take for Formaldehyde to Cause Cancer?

    Formaldehyde’s cancer risk depends more on cumulative exposure than time. Learn what levels are concerning and how to reduce your risk at home and work.

    By Santiago Vargas
  6. Pregnancy

    How Long Is the Egg Viable After Ovulation?

    A released egg survives just 12–24 hours, but your fertile window spans six days. Here’s how ovulation timing actually works for conception.

    By Abigail Toma
  7. Pregnancy

    What Does Cervical Mucus Look Like During Ovulation?

    Cervical mucus near ovulation looks and stretches like raw egg whites. Here’s what to look for, how to check it, and what it means for fertility.

    By Mary Campbell
  8. Reproductive

    How Much Blood Do I Lose on My Period: What’s Normal

    Most people overestimate period blood loss. Learn what’s actually normal, how flow changes with age, and when heavy bleeding is worth a doctor’s visit.

    By Kelly Horton
  9. Reproductive

    How Do You Know If You Have an STD as a Female?

    STDs in women can cause discharge changes, pelvic pain, or no symptoms at all. Learn what to watch for and when to get tested.

    By Danielle Almeida
  10. Reproductive

    What Happens If Your Period Blood Is Brown?

    Brown period blood is usually just older blood and often completely normal. Learn what causes it and when it might be worth mentioning to your doctor.

    By Jack Ashford
  11. Kids

    How Many Hours Should a 3 Year Old Sleep?

    Most 3-year-olds need 11–14 hours of sleep daily. Learn how to split those hours, spot nap-dropping signs, and set up a room that helps them rest.

    By Demetrius Snyder
  12. Mental Health

    How Can Stress Actually Be a Good Thing?

    Not all stress is bad. Short-term stress can sharpen focus, strengthen memory, and even give your immune system a brief boost.

    By Carmen Mills
  13. Mental Health

    How Long Does It Take to Get Over an Affair?

    Healing after an affair typically takes years, not months. Learn what recovery actually looks like and what helps or hinders the process.

    By Teresa Buchanan
  14. Mental Health

    How to Deal With the 5 Stages of Grief and Heal

    Grief is messy and nonlinear. Learn how to cope with each stage, what it does to your body, and when it’s time to seek extra support.

    By Nadege Valcourt