Conclusion L-Arg promote intrauterine growth of the fetus by increasing NO production and improving the umbilical artery flow in pregnant women with pregnancy-induced hypertension and FGR.

• 结论L-精氨酸能显著提高妊娠期高血压疾病合并胎儿生长受限孕妇外周血及脐血中NO水平，改善脐血流，有助于胎儿宫内生长。