Table 1.
Demographic characteristics of the participating women
| Pregnant | Non-pregnant | |
|---|---|---|
| Number of women | 12 | 15 |
| Number of nulliparous women | 5 (42%)† | 14 (93%) |
| Age (y) | 33 ± 4 | 31 ± 3 |
| Pre-pregnancy BMI (kg/m2) | 19.3 ± 0.7 | 20.2 ± 1.5 |
| Pre-pregnancy BSA (m2) | 1.50 ± 0.09 | 1.49 ± 0.09 |
| Pre-pregnancy Hb (g/dL) | NA | 13.0 ± 0.9 |
| Pre-pregnancy BNP (pg/mL) | NA | 13 ± 5 |
| BSA (m2) at CMR | ||
| 2nd trimester | 1.53 ± 0.10 | NA |
| 3rd trimester | 1.57 ± 0.11 | NA |
| Postpartum 1 month (PP1M) | 1.52 ± 0.11 | NA |
| Hb (g/dL) at CMR | ||
| 2nd trimester | 11.2 ± 1.0 *† | NA |
| 3rd trimester | 11.2 ± 0.8*† | NA |
| Postpartum 1 month (PP1M) | 12.3 ± 1.0 | NA |
| BNP (pg/mL) at CMR | ||
| 2nd trimester | 20 ± 1 *† | NA |
| 3rd trimester | 14 ± 6 | NA |
| Postpartum 1 month (PP1M) | 11 ± 8 | NA |
| Gestational week at delivery | 39.3 ± 1.4 | NA |
BMI Body mass index, BSA Body surface area, CMR Cardiovascular magnetic resonance,
[Hb]/[BNP] Blood concentration of hemoglobin/brain type natriuretic peptide, NA Not applicable
*, P < 0.05 vs. postpartum 1 month; †, P < 0.05 vs. non-pregnant women