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. 2017 May 30;15:41. doi: 10.1186/s12958-017-0258-1

Fig. 2.

Fig. 2

Detected natriuretic peptides concentrations in single follicles, classified according to the cleavage potential after in vitro fertilization with COCs coming from such follicles. a The single COCs in vitro culture model. b, d The concentrations of BNP, CNP in the follicular fluid of cleaved embryos (n = 6) and non cleaved embryos by culturing individually COCs from Single follicle in vitro and PA. c, e The concentrations of BNP, CNP in the follicular fluid of cleaved embryos (n = 9) and non cleaved embryos by culturing individually COCs from Single follicle in vitro and IVF. f, g The mean concentrations of BNP and CNP induced from b-e, in which the data from those were divided into three parts, the non-cleaved-low, the cleaved and the non-cleaved-high, as they were compared with the mean value. At least three follicles were examined at each time point for each experiment. The bars show the mean ± SEM of data from three independent experiments. Different columns with various superscript letters differ significantly (P < 0.05)