. 2018 Apr 21;16:39. doi: 10.1186/s12958-018-0356-8

Table 1.

Development potential of fertilized and parthenogenetic embryos cultured in 5 and 20% oxygen in vitro

Groups	Oxygen concentration %	Replicates No.	Total embryos No.	96 h	120 h
Groups	Oxygen concentration %	Replicates No.	Total embryos No.	No. (%) Blastocysts⁺	No. (%) Hatched Blastocysts
FE	20	7	324	312 (96.2 ± 1.4)	179 (58.2 ± 4.2)^a
FE	5	7	350	337 (97.3 ± 1.1)	83 (23.8 ± 2.6)^b
PA	20	9	346	336 (97.6 ± 0.8)	278 (81.2 ± 2.7)^c
PA	5	9	346	335 (96.8 ± 1.0)	306 (90.8 ± 1.8)^d

FE fertilized embryos, PA parthenogenetically activated embryos

⁺Mean ± SEM

^a vs. ^b, p < 0.001; ^a vs. ^c, p < 0.01;^c vs. ^d, p < 0.05; ^b vs. ^d, p < 0.001