ESPE Abstracts (2018) 89 P-P3-397

ESPE2018 Poster Presentations Thyroid P3 (37 abstracts)

Head Circumference, Birth Length, and Weight of Neonates of Mothers with Hypothyroidism

Tamar Laron-Kenet a , Aviva Silbergeld b , Pearl Lilos b & Zvi Laron b,


aSheba Medical Center, Ramat Gan, Israel; bSchneider Children’s Medical Center, Petah Tikva, Israel; cTel Aviv University, Tel Aviv, Israel


Background: The number of publication on head size of newborns of hypothyroid mothers is scant.

Aim: To study concomitantly head circumference, birth length and weight in such neonates.

Method: Data was retrieved from computerized medical records of our hospital.

Results: One hundred and thirty nine neonates (82 males and 57 females) from a total of 18,538 deliveries at the Rabin Medical Center during the years 1987–1993 were studied. The female neonates had a significantly smaller head circumference than the males 34.3±1.4 vs 33.8±1.5 cm (P0.047) and that neonates of both genders had a tendency to a smaller head circumference than the control population. The birth length and weight were similar to the controls.

Conclusion: The head circumstance (brain size) in neonates of hypothyroid mother tends to be smaller than of healthy mothers. Whether this is due to inadequate treatment remains to be established.

Volume 89

57th Annual ESPE (ESPE 2018)

Athens, Greece
27 Sep 2018 - 29 Sep 2018

European Society for Paediatric Endocrinology 

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