A retrospective analysis of single preterm birth incidence and high-risk factors based on maternal age stratification
Objective: To compare the preterm birth rate among different age groups and analyze relative high-risk factors of preterm birth. Methods: A retrospective analysis was conducted on clinical data of single pregnant women ≥28 gestational weeks from January 2013 to May 2019 in the First Affiliated Hospital of Chongqing Medical Hospital. All involved women were divided into three groups according to age, Group 1 (aged<35 years), Group 2 (aged 35-39 years), and Group 3 (aged ≥40 years). The preterm birth rate among 3 groups was compared and their high-risk factors were analyzed. Results: There were 48 288 singleton pregnancies during the study period, of which 3 351 were preterm births, preterm birth rate was 6.94% (3 351/48 288). In Group 1, there were 42 020 women, of which 2 699 were preterm births (6.42%, 2 699/42 020); in Group 2, there were 5 061 women, of which 491 were preterm births (9.70%, 491/5 061); and in Group 3, there were 1 207 women, of which 161 were preterm births (13.34%, 161/1 207). Comparing the spontaneous preterm birth rates among the three groups, Group 1 was the lowest one and Group 3 was the highest one (3.72% vs 4.51% vs 5.88%); comparing the medical preterm birth rates among the three groups, Group 1 also was the lowest one and Group 3 also was the highest one (2.70% vs 5.20% vs 7.46%); the differences were statistically significant (P<0.05). The incidence of spontaneous and medical preterm birth according gestational weeks were compared among three groups and there were no significant differences (P>0.05). Comparing and analyzing the high-risk factors of medical preterm birth, the incidence of intrahepatic cholestasis of pregnancy and fetal distress in Group 1 were higher than those in Group 2 and 3; the incidence of placenta praevia were significantly higher in Group 2 and 3 than that in Group 1; the differences were statistically significant (P<0.05). Conclusions: Maternal age is a significant high-risk factor of both spontaneous preterm birth and medical preterm birth, and the risk of preterm birth increases with age. For medical preterm birth, compared with right-age pregnant women, placenta praevia is the high-risk factor for women in advanced maternal age(AMA), which have great effect on medical preterm birth rate of AMA.
Medienart: |
E-Artikel |
---|
Erscheinungsjahr: |
2020 |
---|---|
Erschienen: |
2020 |
Enthalten in: |
Zur Gesamtaufnahme - volume:55 |
---|---|
Enthalten in: |
Zhonghua fu chan ke za zhi - 55(2020), 8 vom: 25. Aug., Seite 505-509 |
Sprache: |
Chinesisch |
---|
Beteiligte Personen: |
Gong, E [VerfasserIn] |
---|
Links: |
---|
Themen: |
Advanced maternal age |
---|
Anmerkungen: |
Date Completed 07.09.2020 Date Revised 07.09.2020 published: Print Citation Status MEDLINE |
---|
doi: |
10.3760/cma.j.cn112141-20191206-00662 |
---|
funding: |
|
---|---|
Förderinstitution / Projekttitel: |
|
PPN (Katalog-ID): |
NLM314277218 |
---|
LEADER | 01000naa a22002652 4500 | ||
---|---|---|---|
001 | NLM314277218 | ||
003 | DE-627 | ||
005 | 20231225152401.0 | ||
007 | cr uuu---uuuuu | ||
008 | 231225s2020 xx |||||o 00| ||chi c | ||
024 | 7 | |a 10.3760/cma.j.cn112141-20191206-00662 |2 doi | |
028 | 5 | 2 | |a pubmed24n1047.xml |
035 | |a (DE-627)NLM314277218 | ||
035 | |a (NLM)32854473 | ||
040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
041 | |a chi | ||
100 | 1 | |a Gong, E |e verfasserin |4 aut | |
245 | 1 | 2 | |a A retrospective analysis of single preterm birth incidence and high-risk factors based on maternal age stratification |
264 | 1 | |c 2020 | |
336 | |a Text |b txt |2 rdacontent | ||
337 | |a ƒaComputermedien |b c |2 rdamedia | ||
338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
500 | |a Date Completed 07.09.2020 | ||
500 | |a Date Revised 07.09.2020 | ||
500 | |a published: Print | ||
500 | |a Citation Status MEDLINE | ||
520 | |a Objective: To compare the preterm birth rate among different age groups and analyze relative high-risk factors of preterm birth. Methods: A retrospective analysis was conducted on clinical data of single pregnant women ≥28 gestational weeks from January 2013 to May 2019 in the First Affiliated Hospital of Chongqing Medical Hospital. All involved women were divided into three groups according to age, Group 1 (aged<35 years), Group 2 (aged 35-39 years), and Group 3 (aged ≥40 years). The preterm birth rate among 3 groups was compared and their high-risk factors were analyzed. Results: There were 48 288 singleton pregnancies during the study period, of which 3 351 were preterm births, preterm birth rate was 6.94% (3 351/48 288). In Group 1, there were 42 020 women, of which 2 699 were preterm births (6.42%, 2 699/42 020); in Group 2, there were 5 061 women, of which 491 were preterm births (9.70%, 491/5 061); and in Group 3, there were 1 207 women, of which 161 were preterm births (13.34%, 161/1 207). Comparing the spontaneous preterm birth rates among the three groups, Group 1 was the lowest one and Group 3 was the highest one (3.72% vs 4.51% vs 5.88%); comparing the medical preterm birth rates among the three groups, Group 1 also was the lowest one and Group 3 also was the highest one (2.70% vs 5.20% vs 7.46%); the differences were statistically significant (P<0.05). The incidence of spontaneous and medical preterm birth according gestational weeks were compared among three groups and there were no significant differences (P>0.05). Comparing and analyzing the high-risk factors of medical preterm birth, the incidence of intrahepatic cholestasis of pregnancy and fetal distress in Group 1 were higher than those in Group 2 and 3; the incidence of placenta praevia were significantly higher in Group 2 and 3 than that in Group 1; the differences were statistically significant (P<0.05). Conclusions: Maternal age is a significant high-risk factor of both spontaneous preterm birth and medical preterm birth, and the risk of preterm birth increases with age. For medical preterm birth, compared with right-age pregnant women, placenta praevia is the high-risk factor for women in advanced maternal age(AMA), which have great effect on medical preterm birth rate of AMA | ||
650 | 4 | |a Comparative Study | |
650 | 4 | |a Journal Article | |
650 | 4 | |a Advanced maternal age | |
650 | 4 | |a Age factors | |
650 | 4 | |a Incidence | |
650 | 4 | |a Preterm birth | |
650 | 4 | |a Retrospective studies | |
650 | 4 | |a Risk factors | |
700 | 1 | |a Liu, X Y |e verfasserin |4 aut | |
700 | 1 | |a Qi, H B |e verfasserin |4 aut | |
700 | 1 | |a Luo, X |e verfasserin |4 aut | |
773 | 0 | 8 | |i Enthalten in |t Zhonghua fu chan ke za zhi |d 1960 |g 55(2020), 8 vom: 25. Aug., Seite 505-509 |w (DE-627)NLM00096333X |x 0529-567X |7 nnns |
773 | 1 | 8 | |g volume:55 |g year:2020 |g number:8 |g day:25 |g month:08 |g pages:505-509 |
856 | 4 | 0 | |u http://dx.doi.org/10.3760/cma.j.cn112141-20191206-00662 |3 Volltext |
912 | |a GBV_USEFLAG_A | ||
912 | |a GBV_NLM | ||
951 | |a AR | ||
952 | |d 55 |j 2020 |e 8 |b 25 |c 08 |h 505-509 |