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. Author manuscript; available in PMC: 2013 Jun 5.
Published in final edited form as: Placenta. 2011 Feb 13;32(4):333–338. doi: 10.1016/j.placenta.2011.01.016

Table 2.

Placental morphometric findings in pregnancies with fetal growth restriction (FGR), Preeclampsia (PE) and gestational hypertension (HTN). Data are mean ± standard deviation.

Morphometry Control FGR PE Gestational) HTN(n = 7
n = 20 n = 7 n = 13
Placental vol (cm3) 510 ± 107 357 ± 101* 392 ± 147* 510 ± 73
Terminal villi
Vol (cm3) 179 ± 45 76 ± 27* 117 ± 52* 137 ± 46*
Surface area (m2) 12 ± 2 7 ± 2* 9 ± 4* 11 ± 3
Length (km) 55 ± 15 50 ± 25 44 ± 21* 60 ± 10
Terminal villi capillary
Vol (cm3) 15 ± 7 8 ± 5* 11 ± 7 16 ± 9
Surface area (m2) 7 ± 2 4 ± 2* 6 ± 3 7 ± 3
Length (km) 307 ± 126 182 ± 98* 249 ± 152 355 ± 151
Intermediate villi
Vol (cm3) 15 ± 16 4 ± 5 6 ± 7* 7 ± 11
Surface area (m2) 0.3 ± 0.3 0.1 ± 0.1 0.2 ± 0.3 0.2 ± 0.3
Length (km) 1.2 ± 1.3 0.4 ± 0.6 1.0 ± 2.0 0.8 ± 1.0
Intermediate villi capillary
Vol (cm3) 0.9 ± 1.2 0.1 ± 0.2 0.5 ± 0.6 0.5 ± 0.7
Surface area (m2) 0.3 ± 0.3 0.1 ± 0.1 0.2 ± 0.3 0.2 ± 0.3
Length (km) 6 ± 9 2 ± 4 7 ± 12 7 ± 13
Stem villi
Vol (cm3) 27 ± 32 14 ± 10 14 ± 16 26 ± 25
Surface area (m2) 0.2 ± 0.2 0.2 ± 0.3 0.2 ± 0.2 0.7 ± 0.8*
Length (km) 0.9 ± 1.0 0.9 ± 0.7 0.8 ± 0.7 1.9 ± 1.8
Stem villi capillary
Vol (cm3) 0.4 ± 0.6 0.2 ± 0.1 1.1 ± 0.2* 0.5 ± 0.5
Surface area (m2) 0.2 ± 0.3 0.1 ± 0.1 0.1 ± 0.1 0.4 ± 0.4
Length (km) 6 ± 17 6 ± 6 3 ± 3 12 ± 12
Intervillous space vol (cm3) 267 ± 75 328 ± 64* 272 ± 95 327 ± 81*
*

P < 0.05.