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.
Definition. The ferritin blood test measures the level of ferritin in the blood. Ferritin is a protein found inside cells that stores iron so your body can use it later. A ferritin test indirectly measures the amount of iron in your blood.he amount of ferritin in the blood (serum ferritin level) is directly related to the amount of iron stored in your body. Iron is important for red blood cell production. Your doctor may order this test if you have signs or symptoms of anemia due to low iron.