Blastomere movement post first cell division correlates with embryonic compaction and subsequent blastocyst formation

Table 1 Patient characteristics (n = 634)

Age (years)
Female	39.2 ± 0.1 [27–47]
Male	41.1 ± 0.2 [25–64]
No. of previous embryo transfer cycles	1.62 ± 0.03 [0–3]
BMI	21.2 ± 0.1 [15.7–33.7]
Cause of infertility
Ovulation	7 (1.1)
Tubal factor	15 (2.4)
Endometrial factor	45 (7.1)
Male factor	110 (17.4)
Combined	29 (4.6)
Unexplained	428 (67.5)

Continuous data are presented as mean ± standard error of the mean [range], categorical data are presented as n (%). Abbreviations: BMI body mass index

ISSN: 1477-7827