Abstract
Obesity surgery and polycystic ovary syndrome (PCOS) are both associated with increased risk of intrauterine growth restriction. We investigated whether offspring of mothers with PCOS who underwent obesity surgery had an increased risk of deviating birth anthropometrics compared to offspring of mothers without PCOS. In this observational study, data from two study databases (BAROBS and PregMet2) were supplemented with data from patient's records from secondary and tertiary hospitals. In total, 162 offspring born to mothers with PCOS (n = 48) and without PCOS (n = 114) were included. Forty-nine offspring were born prior to, and 113 after obesity surgery. Mean ± SD birthweight (BW), birth length (BL), and head circumference (HC) before and after surgery for offspring born to mothers with PCOS were 3987 ± 495g vs 3396 ± 526g (P = 0.001), 52.2 ± 1.6cm vs 50.1 ± 2.2cm (P = 0.010), and 36.3 ± 1.97cm vs 35.3 ± 1.66cm (P = 0.183), respectively. In the non-PCOS group BW, BL and HC before and after were 3859 ± 603g vs 3490 ± 538g (P = 0.001), 51.3 ± 2.0cm vs 49.9 ± 2.5cm (P = 0.013), and 36.4 ± 2.0cm vs 35.3 ± 1.8cm (P = 0.016), respectively. Post-surgery, we found no difference in z-score BW, (∆-0.08, P = 0.677), BL (∆0.21, P = 0.184), and HC (∆0.14, P = 0.476) between children of PCOS and non-PCOS mothers. Babies born after obesity surgery were smaller and shorter in both the PCOS and non-PCOS group. Post-surgery anthropometrics were similar in babies born to mothers with and without PCOS.
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