Infant Equipment: Equipment and furniture used by infants and babies in the home, car, and play area.Infant, Premature: A human infant born before 37 weeks of GESTATION.Infant, Newborn: An infant during the first month after birth.Equipment and Supplies: Expendable and nonexpendable equipment, supplies, apparatus, and instruments that are used in diagnostic, surgical, therapeutic, scientific, and experimental procedures.Equipment and Supplies, Hospital: Any materials used in providing care specifically in the hospital.Infant, Premature, DiseasesInfant Care: Care of infants in the home or institution.Infant Food: Food processed and manufactured for the nutritional health of children in their first year of life.Durable Medical Equipment: Devices which are very resistant to wear and may be used over a long period of time. They include items such as wheelchairs, hospital beds, artificial limbs, etc.Infant Formula: Liquid formulations for the nutrition of infants that can substitute for BREAST MILK.Infant Behavior: Any observable response or action of a neonate or infant up through the age of 23 months.Infant Mortality: Postnatal deaths from BIRTH to 365 days after birth in a given population. Postneonatal mortality represents deaths between 28 days and 365 days after birth (as defined by National Center for Health Statistics). Neonatal mortality represents deaths from birth to 27 days after birth.Sudden Infant Death: The abrupt and unexplained death of an apparently healthy infant under one year of age, remaining unexplained after a thorough case investigation, including performance of a complete autopsy, examination of the death scene, and review of the clinical history. (Pediatr Pathol 1991 Sep-Oct;11(5):677-84)Infant, Newborn, Diseases: Diseases of newborn infants present at birth (congenital) or developing within the first month of birth. It does not include hereditary diseases not manifesting at birth or within the first 30 days of life nor does it include inborn errors of metabolism. Both HEREDITARY DISEASES and METABOLISM, INBORN ERRORS are available as general concepts.Sports Equipment: Equipment required for engaging in a sport (such as balls, bats, rackets, skis, skates, ropes, weights) and devices for the protection of athletes during their performance (such as masks, gloves, mouth pieces).Infant Nutritional Physiological Phenomena: Nutritional physiology of children from birth to 2 years of age.Infant, Very Low Birth Weight: An infant whose weight at birth is less than 1500 grams (3.3 lbs), regardless of gestational age.Infant, Low Birth Weight: An infant having a birth weight of 2500 gm. (5.5 lb.) or less but INFANT, VERY LOW BIRTH WEIGHT is available for infants having a birth weight of 1500 grams (3.3 lb.) or less.Equipment Design: Methods of creating machines and devices.Equipment Contamination: The presence of an infectious agent on instruments, prostheses, or other inanimate articles.Protective Devices: Devices designed to provide personal protection against injury to individuals exposed to hazards in industry, sports, aviation, or daily activities.Breast Feeding: The nursing of an infant at the breast.Infant Welfare: Organized efforts by communities or organizations to improve the health and well-being of infants.Equipment Safety: Freedom of equipment from actual or potential hazards.Infant, Extremely Low Birth Weight: An infant whose weight at birth is less than 1000 grams (2.2 lbs), regardless of GESTATIONAL AGE.Surgical Equipment: Nonexpendable apparatus used during surgical procedures. They are differentiated from SURGICAL INSTRUMENTS, usually hand-held and used in the immediate operative field.Disposable Equipment: Apparatus, devices, or supplies intended for one-time or temporary use.Child Development: The continuous sequential physiological and psychological maturing of an individual from birth up to but not including ADOLESCENCE.Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.Gestational Age: The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated as the time from the last day of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization.Milk, HumanInfant, Extremely Premature: A human infant born before 28 weeks of GESTATION.Infant, Small for Gestational Age: An infant having a birth weight lower than expected for its gestational age.Equipment Failure: Failure of equipment to perform to standard. The failure may be due to defects or improper use.Maintenance: The upkeep of property or equipment.Bottle Feeding: Use of nursing bottles for feeding. Applies to humans and animals.Intensive Care Units, Neonatal: Hospital units providing continuing surveillance and care to acutely ill newborn infants.Birth Weight: The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms.