Clinical analysis of pregnancy outcomes on 287 full-term pregnancy with oligohydramnios

doi:10.3877/cma.j.issn.1673-5250.2015.05.015

Objective

To explore the impact of oligohydramnios on delivery outcomes of full-term pregnant women and perineonates.

Methods

A total of 287 cases of full-term pregnant women with oligohydramnios(oligohydramnios group) in the First Affiliated Hospital of Third Military Medical University from January 2013 to December 2014 were selected as study objects, and a total of 300 cases of normal full-term pregnant women in the same period were randomly selected and bringing into control group.The differences of incidence rate of fetal anomaly, prolonged pregnancy, fetal growth restriction(FGR), hypertensive disorders in pregnancy and the cesarean section between two groups, and perineonate outcomes between two delivery ways in each group were compared statistically.

Results

① The incidence rate of fetal anomaly, prolonged pregnancy, FGR and hypertensive disorders in pregnancy, and the cesarean section rate in oligohydramnios group were all higher than those of control group, and the differences were statistically significant(1.7% vs 0.3%, χ²=2.83, P<0.01; 13.2% vs 3.0%, χ²=20.88, P<0.05; 3.8% vs 0.6%, χ²=6.70, P<0.01; 7.0% vs 1.6%, χ²=10.11, P<0.05; 82.9% vs 30.7%, χ²=162.76, P<0.01). ② In oligohydramnios group, the average weight of newborns, incidence rate of fetal distress, aspiration pneumonitis of newborns and neonatal asphyxia were all higher in pregnancy with vaginal delivery than those in pregnancy with cesarean section delivery, and the differences were statistically significant [(3 308±346) g vs (3 194±373) g, t=2.03, P<0.05; 36.7% vs 18.1%, χ²=8.46, P<0.05; 32.6% vs 17.6%, χ²=5.52, P<0.01; 30.6% vs 15.6%, χ²=6.22, P<0.01].

Conclusions

For full-term pregnancy with oligohydramnios patients, the risk of vaginal delivery is higher than normal amniotic fluid patients.So, strengthen prenatal care and regular prenatal examination may be good to improve delivery outcome.

Key words: Full-term pregnancy, Oligohydramnios, Cesarean section, Pregnancy outcome

表1 两组孕妇一般情况比较(±s)

组别	例数	年龄(岁)	体质量(kg)	孕龄(d)	孕次(次)	产次(次)
羊水过少组	287	28.0±4.3	68.5±3.5	277.6±15.7	1.7±0.5	0.8±0.3
羊水正常组	300	27.9±4.1	68.3±3.6	278.3±16.2	1.6±0.5	0.9±0.4
t值		2.12	1.53	1.42	0.80	0.55
P值		0.48	0.37	0.51	0.57	0.37

表1 两组孕妇一般情况比较(±s)

组别	例数	年龄(岁)	体质量(kg)	孕龄(d)	孕次(次)	产次(次)
羊水过少组	287	28.0±4.3	68.5±3.5	277.6±15.7	1.7±0.5	0.8±0.3
羊水正常组	300	27.9±4.1	68.3±3.6	278.3±16.2	1.6±0.5	0.9±0.4
t值		2.12	1.53	1.42	0.80	0.55
P值		0.48	0.37	0.51	0.57	0.37

表2 两组孕妇其他妊娠合并症及剖宫产率比较[例数(%)]

组别	例数	胎儿畸形	过期妊娠	FGR	妊娠期高血压疾病	剖宫产
羊水过少组	287	5(1.7)	38(13.2)	11(3.8)	20(7.0)	238(82.9)
羊水正常组	300	1(0.3)	9 (3.0)	2(0.6)	5(1.6)	92(30.7)
χ²值		2.83	20.88	6.70	10.11	162.76
P值		<0.01	<0.05	<0.01	<0.05	<0.01

表2 两组孕妇其他妊娠合并症及剖宫产率比较[例数(%)]

组别	例数	胎儿畸形	过期妊娠	FGR	妊娠期高血压疾病	剖宫产
羊水过少组	287	5(1.7)	38(13.2)	11(3.8)	20(7.0)	238(82.9)
羊水正常组	300	1(0.3)	9 (3.0)	2(0.6)	5(1.6)	92(30.7)
χ²值		2.83	20.88	6.70	10.11	162.76
P值		<0.01	<0.05	<0.01	<0.05	<0.01

表3 羊水过少组孕妇不同分娩方式围生儿结局比较[例数(%)]

分娩方式	例数	平均出生体质量(g，±s)	宫内窘迫	吸入性肺炎	新生儿窒息
阴道分娩	49	3 308±346	18(36.7)	16(32.6)	15(30.6)
剖宫产	238	3 194±373	43(18.1)	42(17.6)	37(15.6)
t值/χ²值		2.03	8.46	5.52	6.22
P值		<0.05	<0.05	<0.01	<0.01

表3 羊水过少组孕妇不同分娩方式围生儿结局比较[例数(%)]

分娩方式	例数	平均出生体质量(g，±s)	宫内窘迫	吸入性肺炎	新生儿窒息
阴道分娩	49	3 308±346	18(36.7)	16(32.6)	15(30.6)
剖宫产	238	3 194±373	43(18.1)	42(17.6)	37(15.6)
t值/χ²值		2.03	8.46	5.52	6.22
P值		<0.05	<0.05	<0.01	<0.01

表4 羊水正常组孕妇不同分娩方式围生儿结局比较[例数(%)]

分娩方式	例数	平均出生体质量(g，±s)	宫内窘迫	吸入性肺炎	新生儿窒息
阴道分娩	208	3 486±353	10(6.8)	6(4.1)	2(1.4)
剖宫产	92	3 404±384	7(4.6)	4(2.6)	2(1.3)
t值/χ²值		4.17	0.94	0.42	0.71
P值		>0.05	>0.05	>0.05	>0.05

表4 羊水正常组孕妇不同分娩方式围生儿结局比较[例数(%)]

分娩方式	例数	平均出生体质量(g，±s)	宫内窘迫	吸入性肺炎	新生儿窒息
阴道分娩	208	3 486±353	10(6.8)	6(4.1)	2(1.4)
剖宫产	92	3 404±384	7(4.6)	4(2.6)	2(1.3)
t值/χ²值		4.17	0.94	0.42	0.71
P值		>0.05	>0.05	>0.05	>0.05

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