这个研究结论让人吃惊不已，因为由于更加良好的营养状况以及多种因素（文化因素也包含其中）影响下的推迟生育，发达国家的妇女身高正不断增加。
This is a surprising result, because women in developed countries have become taller thanks to better nutrition, and are having children later in life for many reasons, some of them cultural.