Biomaterial Database

Biparietal diameter, fetal maturity, and body weight in rural Tanzanian newborns. 1998

J H Gutknecht

Mbesa Mission Hospital, Tanzania.

The biparietal diameter (BPD) in 202 rural Tanzanian newborns was measured and correlated to maturity and body weight. The mean BPD at birth was 9.0 cm. The average body weight was 2642 g. Fetal maturity was determined by Petrussa score, serving as an estimate for gestational age. The mean gestational age of the 202 newborns was 39 weeks. The average body weight of the mature babies (gestational age 38-40 weeks) was 2765 g. All babies less than 38 weeks of gestation were born with a low birth weight (LBW < or = 2500 g) except for one. The LBW-babies comprised 34 per cent of the total births. About two-thirds of all LBW-babies (62 per cent) were born small for date, only 38 per cent preterm. Regression analysis of the data set was performed resulting in significant models of estimates of gestational age and body weight from BPD as well as body weight from gestational age. In a baby older than 35 weeks of gestation a body weight of more than 1500 g can be expected. With regard to maturity (> or = weeks) and body weight (> or = 1500 g) there is a good chance of survival when the BPD exceeds 7.5 cm. The analysis of our data denotes that tables from industrialized countries relating gestational age to sonographically measured BPD are not applicable for pregnancies in developing countries.

UI	MeSH Term	Description	Entries
D007231	Infant, Newborn	An infant during the first 28 days after birth.	Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297	Male		Males
D012016	Reference Values	The range or frequency distribution of a measurement in a population (of organisms, organs or things) that has not been selected for the presence of disease or abnormality.	Normal Range,Normal Values,Reference Ranges,Normal Ranges,Normal Value,Range, Normal,Range, Reference,Ranges, Normal,Ranges, Reference,Reference Range,Reference Value,Value, Normal,Value, Reference,Values, Normal,Values, Reference
D001724	Birth Weight	The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms.	Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D001827	Body Height	The distance from the sole to the crown of the head with body standing on a flat surface and fully extended.	Body Heights,Height, Body,Heights, Body
D002508	Cephalometry	The measurement of the dimensions of the HEAD.	Craniometry
D003906	Developing Countries	Countries in the process of change with economic growth, that is, an increase in production, per capita consumption, and income. The process of economic growth involves better utilization of natural and human resources, which results in a change in the social, political, and economic structures.	LMICs,Less-Developed Countries,Low Income Countries,Low and Middle Income Countries,Lower-Middle-Income Country,Middle Income Countries,Third-World Countries,Under-Developed Countries,Developing Nations,Least Developed Countries,Less-Developed Nations,Third-World Nations,Under-Developed Nations,Countries, Middle Income,Countries, Third-World,Country, Least Developed,Country, Less-Developed,Country, Low Income,Country, Lower-Middle-Income,Country, Middle Income,Country, Third-World,Country, Under-Developed,Developed Country, Least,Developing Country,Developing Nation,Least Developed Country,Less Developed Countries,Less Developed Nations,Less-Developed Country,Less-Developed Nation,Low Income Country,Lower Middle Income Country,Lower-Middle-Income Countries,Middle Income Country,Nation, Less-Developed,Nation, Third-World,Nation, Under-Developed,Third World Countries,Third World Nations,Third-World Country,Third-World Nation,Under Developed Countries,Under Developed Nations,Under-Developed Country,Under-Developed Nation
D005260	Female		Females
D005314	Embryonic and Fetal Development	Morphological and physiological development of EMBRYOS or FETUSES.	Embryo and Fetal Development,Prenatal Programming,Programming, Prenatal
D005865	Gestational Age	The age of the conceptus, beginning from the time of FERTILIZATION. In clinical obstetrics, the gestational age is often estimated from the onset of the last MENSTRUATION which is about 2 weeks before OVULATION and fertilization. It is also estimated to begin from fertilization, estrus, coitus, or artificial insemination.	Embryologic Age,Fetal Maturity, Chronologic,Chronologic Fetal Maturity,Fetal Age,Maturity, Chronologic Fetal,Age, Embryologic,Age, Fetal,Age, Gestational,Ages, Embryologic,Ages, Fetal,Ages, Gestational,Embryologic Ages,Fetal Ages,Gestational Ages