J Clin Med Res

Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access

Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc

Journal website http://www.jocmr.org

Original Article

Volume 7, Number 2, February 2015, pages 97-102

Effect of Maternal Age on Pregnancy Outcome and Cesarean Delivery Rate

**Table 1.** Cesarean Delivery Rates
¡¡
	30 - 34 years old	≥ 35 years old	All deliveries
Cesarean delivery rate	40.90%	46.10%	31.60%

Table 1. Cesarean Delivery Rates
¡¡

30 - 34 years old

≥ 35 years old

All deliveries

Cesarean delivery rate

40.90%

46.10%

31.60%

**Table 2.** Rates of Cesarean Delivery Indications
¡¡
Indication for cesarean delivery	30 - 34 years old	≥ 35 years old
Fetal distress	5.4	11.7
Previous cesarean delivery	15.1	10.4
Cephalopelvic disproportion	2.7	0
Malpresentation	4.0	7.1
Labor dystocia	3.4	3.2
Placenta previa	2.0	2.6
Abruptio placentae	0.7	3.2
Vasa praevia	1.0	0
Large birth weight	1.7	1.3
Precious baby	2.3	1.3
Oligohydramnios	3.4	3.9
Other	2.7	4.5

Table 2. Rates of Cesarean Delivery Indications
¡¡

Indication for cesarean delivery

30 - 34 years old

≥ 35 years old

Fetal distress

5.4

11.7

Previous cesarean delivery

15.1

10.4

Cephalopelvic disproportion

2.7

Malpresentation

4.0

7.1

Labor dystocia

3.4

3.2

Placenta previa

2.0

2.6

Abruptio placentae

0.7

3.2

Vasa praevia

1.0

Large birth weight

1.7

1.3

Precious baby

2.3

1.3

Oligohydramnios

3.4

3.9

Other

2.7

4.5

**Table 3.** Rates of GDM, EMR, Preterm Labor and IUGR
¡¡
Age	30 - 34 years	35 years and older	Chi-square	P
Gestational diabetes mellitus
No	288	96.6	144	93.5
Yes	10	3.4	10	6.5	2.36	0.124
Early membrane rupture
No	290	97.3	153	99.4
Yes	8	2.7	1	0.6		0.176
Preterm labor
No	278	93.3	145	94.2
Yes	20	6.7	9	5.8	0.12	0.721
Intrauterine growth retardation
No	287	96.3	152	98.7
Yes	11	3.7	2	1.3		0.235

Table 3. Rates of GDM, EMR, Preterm Labor and IUGR
¡¡

Age

30 - 34 years

35 years and older

Chi-square

Gestational diabetes mellitus

288

96.6

144

93.5

Yes

3.4

6.5

2.36

0.124

Early membrane rupture

290

97.3

153

99.4

Yes

2.7

0.6

0.176

Preterm labor

278

93.3

145

94.2

Yes

6.7

5.8

0.12

0.721

Intrauterine growth retardation

287

96.3

152

98.7

Yes

3.7

1.3

0.235

**Table 4.** Perinatal Mortality Rates
¡¡
Age	30 - 34 years	35 years and older	Chi-square	P
Mortality
No	286	96.0	149	96.8
Yes	12	4.0	4	2.6	0.60	0.436
Mortality yes
Baby	12	4.0	4	2.6
Mother	0	0	1	0.6

Table 4. Perinatal Mortality Rates
¡¡

Age

30 - 34 years

35 years and older

Chi-square

Mortality

286

96.0

149

96.8

Yes

4.0

2.6

0.60

0.436

Mortality yes

Baby

4.0

2.6

Mother

0.6

**Table 5.** Rates of Congenital Anomalies
¡¡
Age	30 - 34 years	35 years and older	P
CNS: central nervous system.
Anomaly
No	293	98.3	152	98.7
Yes	5	1.7	2	1.3	0.554
Anomaly yes
CNS anomaly	3	1.0	1	0.6
Extremity	1	0.3	-	-
Other	1	0.3	1	0.6

Table 5. Rates of Congenital Anomalies
¡¡

Age

30 - 34 years

35 years and older

CNS: central nervous system.

Anomaly

293

98.3

152

98.7

Yes

1.7

1.3

0.554

Anomaly yes

CNS anomaly

1.0

0.6

Extremity

0.3

Other

0.3

0.6

**Table 6.** Preconceptional Comorbidity and Preeclampsia Rates
¡¡
Age	30 - 34 years	35 years and older	Chi-square	P
Comorbidity
No	250	83.9	121	78.6
Yes	48	16.1	33	21.4	1.95	0.162
Comorbidity yes
Diabetes mellitus	2	0.7	3	1.9
Hypertension	3	1.0	8	5.2
Asthma	13	4.4	5	3.2
Cardiac	8	2.7	5	3.2
Other	22	7.4	12	7.8
Preeclampsia
No	289	97.3	150	98.0
Yes	8	2.7	3	2.0		0.756

Table 6. Preconceptional Comorbidity and Preeclampsia Rates
¡¡

Age

30 - 34 years

35 years and older

Chi-square

Comorbidity

250

83.9

121

78.6

Yes

16.1

21.4

1.95

0.162

Comorbidity yes

Diabetes mellitus

0.7

1.9

Hypertension

1.0

5.2

Asthma

4.4

3.2

Cardiac

2.7

3.2

Other

7.4

7.8

Preeclampsia

289

97.3

150

98.0

Yes

2.7

2.0

0.756

**Table 7.** Gravida, Parity, Abortions, Birth Weight of Newborn, Maternal Hemoglobin Values and First Minute Apgar Scores
¡¡
Age	30 - 34 years	35 years and older	P
Gravida	3.35	1.78	4.77	2.50	0
Parity	1.86	1.45	3.06	2.11	0
Abortions	0.49	0.91	0.68	1.03	0.055
Live born	1.78	1.35	2.87	1.88	0
Gestational age	38.36	3.34	38.21	3.35	0.649
Birth weight	3,204.73	709.72	3,201.49	734.47	0.964
Hemoglobin	11.52	1.563	11.319	1.411	0.181
Apgar scores	7.71	2.11	7.61	1.98	0.623

Table 7. Gravida, Parity, Abortions, Birth Weight of Newborn, Maternal Hemoglobin Values and First Minute Apgar Scores
¡¡

Age

30 - 34 years

35 years and older

Mean

Gravida

3.35

1.78

4.77

2.50

Parity

1.86

1.45

3.06

2.11

Abortions

0.49

0.91

0.68

1.03

0.055

Live born

1.78

1.35

2.87

1.88

Gestational age

38.36

3.34

38.21

3.35

0.649

Birth weight

3,204.73

709.72

3,201.49

734.47

0.964

Hemoglobin

11.52

1.563

11.319

1.411

0.181

Apgar scores

7.71

2.11

7.61

1.98

0.623