Table 4

Intertwin Hb differences in vaginally born monochorionic (MC) and dichorionic (DC) twins

MC twins (n=171)DC twins (n=194)p Value
Hb difference at birth—g/dL*†1.9 (0.6–3.9)1.8 (0.8–3.3)0.83
Hb difference on day 2—g/dL*‡3.7 (2.7–6.3)1.8 (0.8–3.0)<0.01
  • *Values given as median (IQR).

  • †Paired Hb levels at birth were available in 143 MC twin pairs and 152 DC twin pairs.

  • ‡Paired Hb levels at birth were available in 91 MC twin pairs and 138 DC twin pairs.

  • Hb, haemoglobin.