Table 1 Characteristics of singleton live births in Hungary in three selected years (1999, 2008, and 2018)
1999 | 2008 | 2018 | P-value | ||
|---|---|---|---|---|---|
Foetal parameters | |||||
Sex | n (%) | NS | |||
boys | 38,167 (51.8) | 43,855 (51.8) | 40,488 (51.4) | ||
girls | 35,523 (48.2) | 40,732 (48.2) | 38,282 (48.6) | ||
Median birth weight | g | ||||
boys | 3400 (3100;3700) | 3440 (3130;3750) | 3400 (3100;3700) | < 0.0001 | |
girls | 3250 (2980;3550) | 3300 (3000;3600) | 3260 (3000;3550) | < 0.0001 | |
Maternal parameters | |||||
Age | year | 26.2 (23.0;29.8) | 29.6 (25.9;32.9) | 30.5 (26.1;34.6) | < 0.0001 |
Age | n (%) | < 0.0001 | |||
< 20 years | 6087 (8.3) | 5263 (6.2) | 4625 (5.9) | ||
20-24.9 years | 23,940 (32.6) | 12,691 (15.0) | 11,378 (14.5) | ||
25-29.9 years | 25,854 (35.2) | 26,991 (32.0) | 20,708 (26.3) | ||
30-34.9 years | 12,819 (17.4) | 28,718 (34.0) | 23,752 (30.2) | ||
35-39.9 years | 3916 (5.3) | 9179 (10.9) | 14,038 (17.9) | ||
≥ 40 years | 915 (1.2) | 1574 (1.9) | 4117 (5.2) | ||
Parity | n (%) | < 0.0001 | |||
primiparous | 34,215 (46.4) | 40,556 (47.9) | 39,077 (49.6) | ||
multiparous | 39,475 (53.6) | 44,031 (52.1) | 39,693 (50.4) | ||
Delivery-related parameters | |||||
Time of delivery | week | 39.4 (38.5;40.1) | 39.2 (38.4;40.0) | 39.1 (38.3;39.9) | < 0.0001 |
Mode of delivery | n (%) | < 0.0001 | |||
vaginal | 60,740 (82.4) | 60,320 (71.3) | 47,224 (60.3) | ||
caesarean section | 12,950 (17.6) | 24,267 (28.7) | 31,108 (39.7) | ||
Induced delivery | n (%) | < 0.0001 | |||
no | 64,348 (87.3) | 71,002 (83.9) | 58,103 (73.8) | ||
yes | 9342 (12.7) | 13,585 (16.1) | 20,667 (26.2) |