≥ 35 years |
|
|
|
|
|
|
|
Lamminpää et al. 3939. Lamminpää R, Vehviläinen-Julkunen K, Gissler M, Selander T, Heinonen S. Pregnancy outcomes of overweight and obese women aged 35 years or older - a registry-based study in Finland. Obes Res Clin Pract 2016; 10:133-42. (2015) |
< 35 |
PP |
WPS |
Yes |
249,648 |
No |
Finland |
Lao et al. 4040. Lao TT, Sahota DS, Cheng YKY, Law LW, Leung TY. Advanced maternal age and postpartum hemorrhage-risk factor or red herring? J Matern Fetal Neonatal Med 2014; 27:243-6. (2014) |
20-34 |
PP |
WPS |
Yes |
64,886 |
No |
China |
Pawde et al. 2121. Pawde AA, Kulkarni MP, Unni J. Pregnancy in women aged 35 years and above: a prospective observational study. J Obstet Gynecol India 2015; 65:93-6. (2015) |
< 35 |
PP and PA |
WPS |
No |
679 |
No |
India |
Alshami et al. 3636. Alshami HA, Kadasne AR, Khalfan M, Iqbal SZ, Mirghani HM. Pregnancy outcome in late maternal age in a high-income developing country. Arch Gynecol Obstet 2011; 284:1113-6. (2011) |
20-34 |
PP and PA |
N |
Yes |
888 |
No |
UAE |
Biro et al. 3737. Biro MA, Davey M-A, Carolan M, Kealy M. Advanced maternal age and obstetric morbidity for women giving birth in Victoria, Australia: a population-based study. Aust N Z J Obstet Gynaecol 2012; 52:229034. (2012) |
< 35 |
PP and PA |
N and M |
No |
133,357 |
No |
Australia |
Hung et al. 3838. Hung TH, Hsieh CC, Hsu JJ, Lo LM, Chiu TH, Hsieh TT. Risk factors for placental abruption in an Asian population. Reprod Sci 2007; 14:59-65. (2007) |
20-34 |
PA |
WPS |
Yes |
36,989 |
Yes |
Taiwan |
Wang et al. 2525. Wang Y, Tanbo T, Åbyholm T, Henriksen T. The impact of advanced maternal age and parity on obstetric and perinatal outcomes in singleton gestations. Arch Gynecol Obstet 2011; 284:31-7. (2011) |
< 35 |
PA |
N and M |
Yes |
6,619 |
No |
Norway |
35-39 and ≥ 40 years |
|
|
|
|
|
|
|
Bateman & Simpson 1515. Bateman BT, Simpson LL. Higher rate of stillbirth at the extremes of reproductive age: a large nationwide sample of deliveries in the United States. Am J Obstet Gynecol 2006; 194:840-5. (2006) |
20-34 |
PP and PA |
WPS |
No |
5,163,887 |
No |
USA |
Cleary-Goldman et al. 1111. Cleary-Goldman J, Malone FD, Vidaver J, Ball RH, Nyberg DA, Comstock CH, et al.Impact of maternal age on obstetric outcome. Obstet Gynecol 2005; 105(5 Part 1):983-90. (2005) |
< 35 |
PP and PA |
WPS |
Yes |
36,056 |
No |
USA |
Grotegut et al. 1212. Grotegut CA, Chisholm CA, Johnson LNC, Brown HL, Heine RP, James AH. Medical and obstetric complications among pregnant women aged 45 and older. PLoS One 2014; 9:e96237. (2014) |
< 35 |
PP and PA |
WPS |
Yes |
12,628,746 |
Yes |
USA |
Hung et al. 3434. Hung TH, Hsieh CC, Hsu JJ, Chiu TH, Lo LM, Hsieh TT. Risk factors for placenta previa in an Asian population. Int J Gynaecol Obstet 2007; 97:26-30. (2007) |
20-34 |
PP |
WPS |
Yes |
37,445 |
Yes |
Taiwan |
Joseph et al. 1313. Joseph KS, Allen AC, Dodds L, Turner LA, Scott H, Liston R. The perinatal effects of delayed childbearing. Obstet Gynecol 2005; 105:1410-8. (2005) |
20-24 |
PP and PA |
WPS |
Yes |
51,084 |
No |
Canada |
Liu & Zhang 1616. Liu X, Zhang W. Effect of maternal age on pregnancy: a retrospective cohort study. Chin Med J (Engl) 2014; 127:2241-6. (2014) |
25-29 |
PP and PA |
WPS |
No |
57,555 |
No |
China |
Matsuda et al. 1414. Matsuda Y, Kawamichi Y, Hayashi K, Shiozaki A, Satoh S, Saito S. Impact of maternal age on the incidence of obstetrical complications in Japan: maternal age and obstetric complications. J Obstet Gynaecol Res 2011; 37:1409-14. (2011) |
20-34 |
PP and PA |
WPS |
Yes |
3,749 |
Yes |
Japan |
Dietl et al. 1919. Dietl A, Cupisti S, Beckmann M, Schwab M, Zollner U. Pregnancy and obstetrical outcomes in women over 40 years of age. Geburtshilfe Frauenheilkd 2015; 75:827-32. (2015) |
< 30 |
PP |
WPS |
Yes |
5,399 |
No |
Germany |
Blomberg et al. 1010. Blomberg M, Tyrberg RB, Kjølhede P. Impact of maternal age on obstetric and neonatal outcome with emphasis on primiparous adolescents and older women: a Swedish Medical Birth Register Study. BMJ Open 2014; 4:e005840. (2014) |
25-29 |
PP and PA |
N |
Yes |
374,619 |
No |
Sweden |
Carolan et al. (33 (2011) |
25-29 |
PP |
N |
No |
25,997 |
No |
Australia |
Ludford et al. (20 (2012) |
25-29 |
PP and PA |
N |
Yes |
34,695 |
No |
Australia |
Yang et al. (35 (2009) |
< 20 |
PP and PA |
N and M |
Yes |
1,815,843 |
Yes |
USA |
≥ 40 years |
|
|
|
|
|
|
|
Carolan et al. 4141. Carolan MC, Davey M-A, Biro M, Kealy M. Very advanced maternal age and morbidity in Victoria, Australia: a population based study. BMC Pregnancy Childbirth 2013; 13:80. (2013) |
30-34 |
PP |
WPS |
No |
49,126 |
No |
Australia |
Chawanpaiboon & Hengrasmee 4242. Chawanpaiboon S, Hengrasmee P. Adverse pregnancy outcomes in extremely maternal age. Open J Obstet Gynecol 2013; 3:427-34. (2013) |
20-29 |
PP and PA |
WPS |
No |
2,200 |
No |
Thailand |
Traisrisilp & Tongsong 4444. Traisrisilp K, Tongsong T. Pregnancy outcomes of mothers with very advanced maternal age (40 years or more). J Med Assoc Thai 2015; 98:117-22. (2015) |
20-30 |
PP |
WPS |
Yes |
19,599 |
No |
Thailand |
Räisänen et al. 4343. Räisänen S, Gissler M, Nielsen HS, Kramer MR, Williams MA, Heinonen S. Social disparity affects the incidence of placental abruption among multiparous but not nulliparous women: a register-based analysis of 1,162,126 singleton births. Eur J Obstet Gynecol Reprod Biol 2013; 171:246-51. (2013) |
< 20 |
PA |
N and M |
Yes |
1,162,126 |
Yes |
Finland |