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. Author manuscript; available in PMC: 2018 Jun 1.
Published in final edited form as: Am J Obstet Gynecol. 2017 Feb 28;216(6):604.e1–604.e11. doi: 10.1016/j.ajog.2017.02.035

Table 4.

Cases without microbial invasion of the amniotic cavity or intra-amniotic inflammation

No Gestational
age at
amniocentesis
(weeks)
Gestational
age at birth
(weeks)
Interval
from
amniocentes
is(days)
Diagnosis Birth-
weight
(gram)
Maternal
white blood
cell count
(cells/mm3)
Amniotic
fluid MMP-8
concentration
(ng/mL)
Acute
histologic
chorioamnionitis
Acute
funisitis
Remarks
1 28.9 29 1 PROM 950 18400 5.8 Present Absent Maternal preeclampsia, RDS, neonatal death due to pulmonary hemorrhage
2 25.1 25.3 2 PTL 911 15500 1.7 Present Absent Progression of spontaneous labor, RDS, neonatal death due respiratory failure
3 35.4 35.4 0 PTL 2390 18200 0.5 Absent Absent Delivery due to sustained fever, survival without significant morbidity
4 32.4 42.4 70 CCA 4040 18100 1.4 N/A N/A Survival without significant morbidity
5 33.7 36 16 PTL 2970 8000 0.3 Absent Absent Cesarean delivery due to placenta previa
6 27.6 38.1 74 PTL 2450 6000 0.5 N/A N/A Survival without significant morbidity
7 34.1 34.1 0 PTL 2010 8900 0.7 Absent Absent Cesarean delivery due to breech presentation and spontaneous labor progression
8 31.3 31.3 0 PTL 1700 17090 0.3 Absent Absent Cesarean delivery due to maternal bleeding, RDS
9 25.7 37.4 83 PTL 2850 17860 0.5 Absent Absent Survival without significant morbidity
10 31.4 41 67 CCA 3320 7000 0.3 N/A N/A Survival without significant morbidity
11 29.1 29.1 0 PTL 1140 15030 0.3 Absent Absent Cesarean delivery due to non-reassuring fetal status, RDS
12 32.9 33 1 PTL 1980 17460 2.1 N/A N/A Spontaneous labor progression

CCA: clinical chorioamnionitis without preterm rupture of the membranes or preterm labor; MMP-8: matrix metalloproteinase-8; N/A: not assessed; PTL: preterm labor; PROM: premature rupture of the membranes; RDS: respiratory distress syndrome;