Does donating blood cause iron defeciency

I want to donate blood but I fear a lot about it. I have heard that donating blood causes low level of iron which can result in anemia. Please teel me if it is true that donating blood causes defeciency of iron?

The body conatins a store of iron which is used up in bulding red blood cells. Everytime we donate blood our body looses around 250mg of iron.
The total stock of iron decrease but it gradually build up again with time.

before donating blood, doctor checks the iron level in blood. If it is surplus then only you are allowed to donate blood. The body conatins a store of iron and which gets supply from your diet and used up in making RBC.

Yes offcourse blood donation reduce the iron levl but it can be fullfilled with proper diet in fews day. You can take eggs, fish, red meat and spinach to replenish iron stock of your body

Blood donation is very respectable thing as it can save someone else life. You should always donate blood if you are capable of. And about the iron defeciency, There are many way to increase iron in the blood. If you want to know, you should read the article

Problem with Iron Defeciency and What are iron Rich food

Hematocrit level is checked before blood donation and it is ensured that the person should have minimum 38% hematocrit level. Minimum hematocrit level of 38% has been set by the FDA to ensure donors have enough blood to give and that they also have enough iron available in their bodies to make more blood after they donate.

it doesn't cause any problem. Body already have enough iron store.