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Hypoglycemia is when the level of sugar (glucose) in the blood is too low. Glucose is the main source of fuel for the brain and the body. In a newborn baby, low blood sugar can happen for many reasons. It can cause problems such as ...

A congenital limb defect is when an arm or leg doesn’t form normally as a baby grows in the uterus. The baby is born with the defect. ...

Overview Blepharitis is an inflammation in the oil glands of the eyelid. It causes swollen eyelids and crusting around the eyelashes. Even after it’s treated and goes away, it can often come back again and again for years. It can often lead to an infection ...

A pregnancy that develops outside the uterus is called an ectopic pregnancy. This nearly always happens in a fallopian tube. So it’s often called a tubal pregnancy. In rare cases, an ectopic pregnancy will happen in an ovary, in the cervix, or the belly (abdomen). ...

Overview Phimosis and paraphimosis are problems with the foreskin of the penis. Phimosis is when a foreskin can’t be pulled down (retracted) from the tip of the penis. This is a common problem in young boys. Paraphimosis is when the foreskin is retracted but can’t ...

Cholestasis of pregnancy is a liver problem. It slows or stops the normal flow of bile from the gallbladder. This causes itching and yellowing of your skin, eyes, and mucous membranes (jaundice). ...

Hypocalcemia is when a person doesn't have enough calcium in the blood. In babies, it’s called neonatal hypocalcemia. ...

Overview A burn is damage to tissues of the body caused by contact with things such as heat, radiation, or chemicals. A first-degree burn affects only the outer layer of skin (epidermis). Causes The causes of a first-degree burn can include: Mild sunburn Very hot ...

Cat scratch disease is a bacterial infection carried in cat saliva. It is passed from a cat bite or scratch to a human. It can also result from a fleabite, but cats are the main source. ...

Thrombocytopenia means that a newborn baby has too few platelets in his or her blood. Thrombocytopenia may be caused when then baby doesn't make enough platelets or when the platelets break down too soon. ...