Table 1 Characteristics of Normal Pregnant (NP), Spontaneous Abortion (SA) and Pre-Eclamptic (PE) patients at different pregnancy stages

NP (n = 16)

I

26,25 ± 7,30

10,19 ± 1,98

NP (n = 2)

II

28,50 ± 0,50

18,5 ± 3,5

NP (n = 6)

III

30,33 ± 3,64

30,33 ± 4,15

Placental tissue

Trimester

Age

Week of pregnancy

NP (n = 8)

I

32,75 ± 6,32

9,88 ± 1,17

SA (n = 12)

I

33,18 ± 3,86

10,13 ± 3,28

NP (n = 12)

III

30,55 ± 5,19

39,33 ± 1,11

PE (n = 8)

III

35,50 ± 5,32

37,33 ± 1,25