The satisfactory growth and development at 2 years of age of the INTERGROWTH-21st Fetal Growth Standards cohort support its appropriateness for constructing international standards

The World Health Organization recommends that human growth should be monitored with the use of international standards. However, in obstetric practice, we continue to monitor fetal growth using numerous local charts or equations that are based on different populations for each body structure. Consis...

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Bibliographic Details
Published in:American journal of obstetrics and gynecology 2018-02, Vol.218 (2), p.S841-S854.e2
Main Authors: Cheikh Ismail, Leila, Staines Urias, Eleonora, Ohuma, Eric O., Victora, Cesar G., Barros, Fernando C., Puglia, Fabien, Ochieng, Roseline, Jaffer, Yasmin A., Bertino, Enrico, Purwar, Manorama, Pang, Ruyan, Lambert, Ann, Chumlea, Cameron, Stein, Alan, Fernandes, Michelle, Kennedy, Stephen H., Katz, M., Zaidi, S., Rothwell, P.M., Weatherall, Sir D., Villar, J., Kennedy, S., Altman, D.G., Barros, F.C., Bertino, E., Burton, F., Cheikh Ismail, L., Gravett, M.G., Jaffer, Y.A., Lambert, A., Lumbiganon, P., Papageorghiou, A.T., Purwar, M., Rivera, J., Shorten, M., Hoch, L., Knight, H.E., Ohuma, E.O., Blakey, I., Roseman, F., Gu, S.H., Wang, J.H., Wu, M.H., Domingues, M., Gilli, P., Juodvirsiene, L., Musee, N., Al-Jabri, H., Waller, S., Muninzwa, D., Reade, D., Miller, R., Salomon, L., Mitidieri, A., Paulsene, W., Al-Zadjali, W.K.S., Batiuk, C., Bornemeier, S., Jacinta, N., Jaiswal, S., Oas, K., Oberto, M., Olearo, E., Shah, J., Sohoni, S., Wang, L., Wilson, D., Wu, Q.Q., Chamberlain, P., Danelon, D., Sarris, I., Dhami, J., Ioannou, C., Knight, C.L., Mkrtychyan, V., Al-Habsi, F., Alija, M., Jimenez-Bustos, J.M., Kizidio, J., Puglia, F., Liu, H., Lloyd, S., Mota, D., Ochieng, R., Rocco, D.A., Frederick, I.O., Batra, M., Bhat, B.A., Bertino, E, Giuliani, F., Rovelli, I., Paul, V., Rajan, V., Varalda, A., Eskenazi, B., Corra, L.A., Matijasevich, A., de Wet, T., Zhang, J.J., Bradman, A.
Format: Article
Language:English
Subjects:
development
INTERGROWTH-21st fetal growth standards
postnatal growth
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Summary:The World Health Organization recommends that human growth should be monitored with the use of international standards. However, in obstetric practice, we continue to monitor fetal growth using numerous local charts or equations that are based on different populations for each body structure. Consistent with World Health Organization recommendations, the INTERGROWTH-21st Project has produced the first set of international standards to date pregnancies; to monitor fetal growth, estimated fetal weight, Doppler measures, and brain structures; to measure uterine growth, maternal nutrition, newborn infant size, and body composition; and to assess the postnatal growth of preterm babies. All these standards are based on the same healthy pregnancy cohort. Recognizing the importance of demonstrating that, postnatally, this cohort still adhered to the World Health Organization prescriptive approach, we followed their growth and development to the key milestone of 2 years of age. The purpose of this study was to determine whether the babies in the INTERGROWTH-21st Project maintained optimal growth and development in childhood. In the Infant Follow-up Study of the INTERGROWTH-21st Project, we evaluated postnatal growth, nutrition, morbidity, and motor development up to 2 years of age in the children who contributed data to the construction of the international fetal growth, newborn infant size and body composition at birth, and preterm postnatal growth standards. Clinical care, feeding practices, anthropometric measures, and assessment of morbidity were standardized across study sites and documented at 1 and 2 years of age. Weight, length, and head circumference age- and sex-specific z-scores and percentiles and motor development milestones were estimated with the use of the World Health Organization Child Growth Standards and World Health Organization milestone distributions, respectively. For the preterm infants, corrected age was used. Variance components analysis was used to estimate the percentage variability among individuals within a study site compared with that among study sites. There were 3711 eligible singleton live births; 3042 children (82%) were evaluated at 2 years of age. There were no substantive differences between the included group and the lost-to-follow up group. Infant mortality rate was 3 per 1000; neonatal mortality rate was 1.6 per 1000. At the 2-year visit, the children included in the INTERGROWTH-21st Fetal Growth Standards were at the 49th
ISSN:0002-9378
1097-6868
DOI:10.1016/j.ajog.2017.11.564