To get baby used to her crib, you can start putting her down in there for naps (which will also teach her that cribs are for sleeping, not playing). Many babies love having room to stretch out, and most crib mattresses are far more comfy than thin bassinet ones.f course, once your baby can sit up (usually around 6 months), most bassinets, cradles, or baskets will be too shallow to keep her from pitching over the side. For her safety, your baby should definitely be sleeping in a crib before then.
1 If you suspect low or high levels of iron, have your levels checked with a serum ferritin test before doing anything. 2  The ideal range of serum ferritin is 40 to 60 ng/ml. 3  People with high iron levels can lower them by donating blood.
Results. A ferritin blood test checks the amount of ferritin in the blood. Ferritin is a protein in the body that binds to iron; most of the iron stored in the body is bound to ferritin.The amount of ferritin found in the blood is the same amount that is in the body.esults. A ferritin blood test checks the amount of ferritin in the blood. Ferritin is a protein in the body that binds to iron; most of the iron stored in the body is bound to ferritin.