López L B, Marigual M, Martín N, Mallorga M, Villagrán E, Zadorozne M E, Martín De Portela M L P, Ortega Soler C R
School of Nutrition, Faculty of Medicine, University of Buenos Aires, Buenos Aires, Argentina.
J Obstet Gynaecol. 2012 Feb;32(2):150-3. doi: 10.3109/01443615.2011.638093.
The purpose of this study was to describe the practice of pica during pregnancy in Argentine women. Maternal and fetal characteristics as well as the practice of pica were evaluated during the puerperium in a sample of 1,014 women from five different geographical areas. Pica prevalence for the total sample was 23.2% (95% CI 20.6-25.8). Pagophagia (ice consumption) was the main type of pica practice, followed by geophagia (earth intake) and the ingestion of soap, toothpaste and chalk. The onset of the practice was mainly in the first months of pregnancy. A total of 49.8% of women revealed a family history of pica; 30.6% had pica in childhood and 13.2% suffered from polypica. Women with pica during pregnancy had similar age, pre-pregnancy body mass index (BMI), parity, neonatal birth weight and gestational age compared with non-pica mothers, although maternal haemoglobin concentration was lower in women with pica than in non-pica mothers (p = 0.0001).
本研究的目的是描述阿根廷女性孕期异食癖的情况。在产后对来自五个不同地理区域的1014名女性样本进行了母婴特征以及异食癖情况的评估。总样本的异食癖患病率为23.2%（95%置信区间20.6 - 25.8）。食冰癖（食用冰块）是异食癖的主要类型，其次是食土癖（摄入泥土）以及食用肥皂、牙膏和粉笔。这种行为主要在怀孕的头几个月开始。共有49.8%的女性有异食癖家族史；30.6%在儿童期有异食癖，13.2%患有多种异食癖。孕期有异食癖的女性与无异食癖的母亲相比，年龄、孕前体重指数（BMI）、产次、新生儿出生体重和孕周相似，尽管有异食癖的女性母亲血红蛋白浓度低于无异食癖的母亲（p = 0.0001）。
