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Lead poisoning
Lead poisoning When lead, most often from old, peeling paint, is ingested and damages thebody. In high doses, lead causes severe brain damage in children; in smallerdoses it can slow a child's physical growth, cause learning disabilities,and damage the kidneys.
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Brain
"That part of the central nervous system that is located within the cranium (skull). The brain functions as the primary receiver, organizer and distributor of information for the body. It has two (right and left) halves called ""hemispheres."" "
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Lead Extraction
A lead is a special wire that delivers energy from a pacemaker or implantable cardioverter defibrillator (ICD) to the heart muscle.A lead extraction is the removal of one or more leads from inside the heart. Leads that are placed outside the heart during open heart surgery cannot be removed during this type of procedure.
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Lamaze
Pioneered by Dr. Ferdinand Lamaze, this technique for preparing for childbirth (also called the psychoprophylactic method) is based on the idea that the best way to control pain is through knowledge and relaxation. The method emphasizes breathing techniques.
Landau's reflex
When laid face down, a 3- to 12-month-old will arch his back and raise his head.
Lanugo
The fine hair that covers a fetus from about 26 weeks, and is sometimesstill present at birth. A baby born at term will usually shed the hair by the end of the first week after birth.
Lay midwife
A lay midwife has experience with childbirth, but lacks medical training.Only a few states allow lay midwives to practice, and then only at home births.
Layette
The complete wardrobe of clothing and equipment needed for a newborn infant.
Lead poisoning
Leg cramps
Common at night during the second and third trimesters of pregnancy, these painful cramps in the calves have beenlinked to a shortage of calcium and an excess of phosphorus.
Lice
Tiny wingless insects that feed on human blood, most often on the scalp. Spread by skin-to-skin contact and by sharing clothes, combs, and bedding.
Lightening
When the fetus descends into the pelvic cavity. In first-time mothers, usually occurs two to four weeks before delivery; women who have already givenbirth usually don't lighten until they begin labor.
Linea nigra
The darkening of the linea alba, the hard-to-see white line that runs downthe center of the abdomen to the top of the pubic bone, during pregnancy. Pigmentation changes usually fade after delivery.
Liver problems
The organ responsible for producing key proteins and other chemicals which regulate the chemistry of the blood. Potential liver problems range from hepatitis to jaundice.
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