Catch-up growth in children born growth restricted to mothers with hypertensive disorders of pregnancy
- Fenny Beukers1,
- Anneke Cranendonk2,
- Johanna I P de Vries3,
- Hans Wolf4,
- Harry N Lafeber2,
- Hester C Vriesendorp1,
- Wessel Ganzevoort4,
- Aleid G van Wassenaer-Leemhuis1
- 1Department of Neonatology, Academic Medical Center, Amsterdam, The Netherlands
- 2Department of Neonatology, VU University Medical Center, Amsterdam, The Netherlands
- 3Department of Obstetrics and Gynaecology, VU University Medical Center, Amsterdam, The Netherlands
- 4Department of Obstetrics and Gynaecology, Academic Medical Center, Amsterdam, The Netherlands
- Correspondence to Fenny Beukers, Department of Neonatology, Academic Medical Center, 22660, Amsterdam 1100 DD, The Netherlands;
- Received 22 June 2012
- Revised 14 September 2012
- Accepted 7 October 2012
- Published Online First 12 November 2012
Background In preterm hypertensive disorders of pregnancy, fetal growth restriction (FGR) occurs frequently. The timing and severity of FGR impacts childhood growth and is associated with metabolic changes later in life.
Aim To examine growth and the impact of FGR in early childhood.
Design Prospective cohort study.
Participants Children (n=135) born to mothers who were admitted before 34 weeks’ gestational age with a severe hypertensive disorder of pregnancy.
Outcome measures Height, weight, body mass index (BMI), head circumference (HC), SD scores (SDS) at 3 months, and 1 and 4.5 years of age, and complete catch-up growth (height SDS−target height SDS >−1.6).
Results Growth scores were lower compared to Dutch growth curves, except for BMI at 3 months and girls’ HC at all ages. Mean height SDS increased over time from −1.4 to −0.5 at 4.5 years, with 94% having complete catch-up growth. Mean BMI SDS decreased from −0.2 at 3 months to −1.0 at 1 year, and was −0.8 at age 4.5. Mean HC SDS was stable over time and −0.3 at 4.5 years. The customised birth weight ratio, as a measure of the degree of FGR, was related to all growth SDS at 4.5 years, while gestational age at birth was not.
Conclusions Although the majority of children born growth restricted had catch-up growth of height within the normal range at 4.5 years of age, they were smaller, but especially lighter compared to Dutch growth charts. The degree of FGR was associated with all growth outcomes.