Scolaris Content Display Scolaris Content Display

Comparison 2 Prophylactic maternal oxygen, Outcome 1 Assisted vaginal delivery.
Figures and Tables -
Analysis 2.1

Comparison 2 Prophylactic maternal oxygen, Outcome 1 Assisted vaginal delivery.

Comparison 2 Prophylactic maternal oxygen, Outcome 2 Caesarean section.
Figures and Tables -
Analysis 2.2

Comparison 2 Prophylactic maternal oxygen, Outcome 2 Caesarean section.

Comparison 2 Prophylactic maternal oxygen, Outcome 4 Abnormal fetal heart rate tracing.
Figures and Tables -
Analysis 2.4

Comparison 2 Prophylactic maternal oxygen, Outcome 4 Abnormal fetal heart rate tracing.

Comparison 2 Prophylactic maternal oxygen, Outcome 5 Cord arterial pH < 7.2.
Figures and Tables -
Analysis 2.5

Comparison 2 Prophylactic maternal oxygen, Outcome 5 Cord arterial pH < 7.2.

Comparison 2 Prophylactic maternal oxygen, Outcome 6 Apgar score < 7 at 1 minute.
Figures and Tables -
Analysis 2.6

Comparison 2 Prophylactic maternal oxygen, Outcome 6 Apgar score < 7 at 1 minute.

Comparison 2 Prophylactic maternal oxygen, Outcome 7 Apgar score < 7 at 5 minutes.
Figures and Tables -
Analysis 2.7

Comparison 2 Prophylactic maternal oxygen, Outcome 7 Apgar score < 7 at 5 minutes.

Comparison 2 Prophylactic maternal oxygen, Outcome 8 Neonatal resuscitation.
Figures and Tables -
Analysis 2.8

Comparison 2 Prophylactic maternal oxygen, Outcome 8 Neonatal resuscitation.

Comparison 2 Prophylactic maternal oxygen, Outcome 12 Cord arterial blood oxygen content (ml/dl).
Figures and Tables -
Analysis 2.12

Comparison 2 Prophylactic maternal oxygen, Outcome 12 Cord arterial blood oxygen content (ml/dl).

Comparison 2 Prophylactic maternal oxygen, Outcome 13 Cord arterial blood oxygen saturation (%).
Figures and Tables -
Analysis 2.13

Comparison 2 Prophylactic maternal oxygen, Outcome 13 Cord arterial blood oxygen saturation (%).

Comparison 1. Maternal oxygen for fetal distress

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Assisted vaginal delivery

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

2 Caesarean section

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

3 Maternal dissatisfaction

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 Abnormal fetal heart rate tracing

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

5 Cord arterial pH < 7.2

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

6 Apgar score < 7 at 1 minute

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

7 Apgar score < 7 at 5 minutes

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

8 Neonatal resuscitation

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

9 Neonatal encephalopathy

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

10 Serious neonatal morbidity or death

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

11 Childhood disability

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

Figures and Tables -
Comparison 1. Maternal oxygen for fetal distress
Comparison 2. Prophylactic maternal oxygen

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Assisted vaginal delivery Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

1.07 [0.07, 16.60]

2 Caesarean section Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

0.54 [0.05, 5.70]

3 Maternal dissatisfaction

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

4 Abnormal fetal heart rate tracing Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

1.25 [0.46, 3.42]

5 Cord arterial pH < 7.2 Show forest plot

2

245

Risk Ratio (M‐H, Fixed, 95% CI)

3.51 [1.34, 9.19]

6 Apgar score < 7 at 1 minute Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

0.15 [0.01, 2.88]

7 Apgar score < 7 at 5 minutes Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

0.36 [0.01, 8.53]

8 Neonatal resuscitation Show forest plot

1

85

Risk Ratio (M‐H, Fixed, 95% CI)

0.92 [0.34, 2.51]

9 Neonatal encephalopathy

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

10 Serious neonatal morbidity or death

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

11 Childhood disability

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

12 Cord arterial blood oxygen content (ml/dl) Show forest plot

1

67

Mean Difference (IV, Fixed, 95% CI)

‐0.80 [‐2.29, 0.69]

13 Cord arterial blood oxygen saturation (%) Show forest plot

1

67

Mean Difference (IV, Fixed, 95% CI)

‐4.40 [‐11.22, 2.42]

Figures and Tables -
Comparison 2. Prophylactic maternal oxygen