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. 2016 Jun 6;16:139. doi: 10.1186/s12884-016-0927-7

Fig. 4.

Fig. 4

Maturational stages of B cells (absolute counts) in peripheral blood samples according to Bm1-5 classification. Bm1-5 classification, IgD/CD38 cell surface markers; Delivery, within 15 min after placental expulsion; Post-partum, at least 6 weeks after delivery; Non-pregnant women. The bottom line represents the 25th percentile, the top line represents the 75th percentile, and the middle line represents the median. * p < 0.05; ** p < 0.001