Pantos Konstantinos, Makrakis Evangelos, Stavrou Dimitrios, Karantzis Panagiotis, Vaxevanoglou Terpsi, Tzigounis Vasilios
Fertil Steril. 2004 Feb;81(2):454-5. doi: 10.1016/j.fertnstert.2003.07.016.
A prospective randomized study of 243 embryo transfers revealed that the use of blastocysts in assisted reproductive technology is not more effective than the use of day 2 and day 3 embryos.
一项针对243例胚胎移植的前瞻性随机研究表明,在辅助生殖技术中使用囊胚并不比使用第2天和第3天的胚胎更有效。