| Titre : | Individually customised fetal weight charts derived from ultrasound measurements : the Generation R Study. (2011) |
| Auteurs : | Romy Gaillard ; DE RIDDER (Maria-Aj) : NLD. Department of Biostatistics. Erasmus Medical Center. Rotterdam. ; Albert HOFMAN ; Vincent-Wv JADDOE ; MACKENBACH (Johan-P) : NLD. Department of Public Health. Erasmus Medical Center. Rotterdam. ; Henriëtte-A Moll ; Eric-Ap STEEGERS ; Bero-O VERBURG ; Jacqueline-Cm WITTEMAN ; Department of Obstetrics and Gynaecology. Erasmus Medical Center. Rotterdam. NLD ; Department of Paediatrics. Erasmus Medical Center. Rotterdam. NLD |
| Type de document : | Article |
| Dans : | European journal of epidemiology (vol. 26, n° 12, 2011) |
| Pagination : | 919-926 |
| Langues: | Anglais |
| Mots-clés : | Foetus ; Ultrason ; Génétique ; Epidémiologie ; Homme ; Femme ; Grossesse ; Femme enceinte ; Ethnie ; Europe |
| Résumé : | [BDSP. Notice produite par INIST-CNRS osR0xH98. Diffusion soumise à autorisation]. Maternal and fetal characteristics are important determinants of fetal growth potential, and should ideally be taken into consideration when evaluating fetal growth variation. We developed a model for individually customised growth charts for estimated fetal weight, which takes into account physiological maternal and fetal characteristics known at the start of pregnancy. We used fetal ultrasound data of 8,162 pregnant women participating in the Generation R Study, a prospective, population-based cohort study from early pregnancy onwards. A repeated measurements regression model was constructed, using backward selection procedures for identifying relevant maternal and fetal characteristics. The final model for estimating expected fetal weight included gestational age, fetal sex, parity, ethnicity, maternal age, height and weight. Using this model, we developed individually customised growth charts, and their corresponding standard deviations, for fetal weight from 18 weeks onwards. Of the total of 495 fetuses who were classified as small size for gestational age (<10th percentile) when fetal weight was evaluated using the normal population growth chart, 80 (16 %) were in the normal range when individually customised growth charts were used. 550 fetuses were classified as small size for gestational age using individually customised growth charts, and 135 of them (25 %) were classified as normal if the unadjusted reference chart was used. In conclusion, this is the first study using ultrasound measurements in a large population-based study to fit a model to construct individually customised growth charts, taking into account physiological maternal and fetal characteristics. These charts might be useful for use in epidemiological studies and in clinical practice. |
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