1.消化系统功能紊乱如吞咽功能不协调、胃食管反流、贲门失弛缓症、幽门痉挛、胎粪性便秘、胎粪排出延迟等。
O O B-bod I-bod I-bod I-bod O O O O O B-dis I-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis O B-dis I-dis I-dis I-dis I-dis I-dis O O