Pediatrician in Taloja Panvel 🌡️ How to Measure Your Baby's Temperature: A Parent's Guide Step 1: Choose the right thermometer ✅ Use a digital thermometer. ❌ Avoid mercury thermometers. Step 2: How to check Underarm (Axillary) Dry the baby's armpit. Place the tip high in the center of the armpit. Hold the arm firmly against the body. Wait until the thermometer beeps. 🌡️ What is a fever? Underarm: ≥37.2°C (99°F) (less accurate and may need confirmation) 🚨 Call your doctor immediately if: A baby under 3 months has a temperature ≥38°C (100.4°F). Fever lasts more than 2–3 days. Your baby has difficulty breathing, repeated vomiting, seizures, poor feeding, unusual sleepiness, or a rash. 💙 Tip for Parents: Don't rely on touching the forehead alone. Always confirm with a thermometer before deciding your baby has a fever.