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目的研究苗族胎儿宫内生长发育规律。方法对其13一41wk正常胎儿侧身长、体重、头围、胸围、腹围、上臂围、顶臀长双项径、足底长，13～35wk者加测右肱骨、股骨长。结果共测870名，体重于22wk后增长加快，最快为22一27wk，36wk后无明显减弱现象。身长、头围28wk前增长快于28wk后。其余指标无特殊增长加快期，37wk后除体重外各项指标增长缓慢。26～27wk及34～35wk时有增长高峰。结论苗族胎儿宫内发育有其民族特征，围产保健应掌握此特征，加强对两个生长高峰的监护，并可作为IUGR诊断标准之一。
Objective To study the law of fetal growth and development in Miao people. Methods A total of 13 to 41wk normal fetus side body length, body weight, head circumference, chest circumference, abdominal circumference, upper arm circumference, top hip length dual binocular length, plantar length, 13 ~ 35wk were added to measure the right humerus, femur length. Results A total of 870 patients were measured. The body weight increased after 22 weeks and the fastest was 22-27 weeks. There was no obvious attenuation after 36 weeks. Length, head circumference 28wk before the faster growth after 28wk. The remaining indicators no special growth accelerated period, 37wk addition to the weight of the indicators of slow growth. 26 ~ 27wk and 34 ~ 35wk when the peak growth. Conclusion Miao people have their own characteristics of intrauterine development, which should be mastered by perinatal health care to strengthen the guardianship of the two growth peaks and be used as one of diagnostic criteria for IUGR.