妊娠满28周不满37足周分娩者为早产,早产儿中约15%于新生儿期死亡。早产儿因发育尚未成熟,可以出现呼吸窘迫综合征,精神发育迟缓以及心理障碍等问题。安宝(盐酸利托君)是一种β2肾上腺素能受体激动剂,能抑制子宫平滑肌收缩,减少子宫收缩,延长妊娠期,适用于先兆早产。安宝可以改 Persons who have not delivered at least 37 weeks of gestation during the 28 weeks of pregnancy are premature deliveries and about 15% of premature babies die in the neonatal period. Premature children because of immature development, there may be respiratory distress syndrome, mental retardation and mental disorders and other issues. Anbao (Rituxuron Hydrochloride) is a β2 adrenergic receptor agonist, can inhibit uterine smooth muscle contraction, reduce uterine contraction, prolongation of pregnancy, suitable for threatened preterm labor. Anbao can change