📖 Blood Donation Guide
Everything about blood types, compatibility, and donation
🔬 Compatibility Explorer
Click a blood group to see who it can donate to and receive from
O-
Universal Donor
O+
Most Common
A-
Rare
A+
2nd Most Common
B-
Rare
B+
Common
AB-
Rarest
AB+
Universal Recipient
💡 Did You Know?
🩸
One Donation = 3 Lives
A single donation is split into red cells, plasma, and platelets — each saving a different patient.
⏱️
Every 2 Seconds
Someone in India needs blood every 2 seconds. Over 43,000 units are needed every single day.
🔄
90-Day Cycle
You can donate whole blood every 90 days. Your body replenishes donated blood within 24–48 hours.
🏥
O- Universal Donor
O-negative blood can be given to anyone, regardless of blood type — critical for emergencies.
💪
Who Can Donate
You must be 18–65 years old, weigh at least 50kg, and be in good health. Most adults qualify.
🌡️
Blood Storage
Red blood cells: 42 days. Plasma: up to 1 year (frozen). Platelets: only 5 days.
📋 Donation Process
What happens when you donate blood
1
Registration
Show ID, fill health questionnaire (5 min)
2
Screening
Blood pressure, haemoglobin check (5 min)
3
Donation
Comfortable chair, 8–10 min to donate 450ml
4
Refreshment
Juice & biscuits, rest 10–15 min, you're free!
📌 Before You Donate:
- Drink plenty of water (at least 2 glasses)
- Eat a healthy meal — avoid fatty foods 3 hours before
- Wear clothing with sleeves that roll up easily
- Avoid alcohol 24 hours before and after donation
- Sleep well the night before