Striae Gravidarum, Acne, Facial Spots, and Hair Disorders: Risk Factors in a Study with 1284 Puerperal Patients
Table 2
Stretch marks and facial blemishes in pregnancy. Santa Casa Hospital, Porto Alegre, Brazil.
Variables
Appearance of stretch marksa
§
0—no ()
1—yes ()
%
%
Age range
<0.001
<25 years
204
33.7
402
66.3
26 years or more
443
65.8
230
34.2
Stretch marks prior to first pregnancy
0.035
No
410
63.5
363
57.7
Yes
236
36.5
266
42.3
Primiparous
<0.0001
No
411
63.5
264
41.7
Yes
236
36.5
369
58.3
Phototype
0.218
1
7
1.1
7
1.1
2
118
18.3
132
21.0
3
314
48.8
265
42.2
4
160
24.8
162
25.8
5
41
6.4
58
9.2
6
4
0.6
4
0.6
Weight gain
<0.0001
≤10 kg
283
44.6
212
33.9
11 to 15 kg
204
32.2
207
33.1
16 to 20 kg
106
16.7
113
18.1
≥21 kg
41
6.5
94
15.0
Daily moisturizing products use
0.869
No
291
45.0
281
44.4
Yes
355
54.9
352
55.6
Adequate prenatal care
0.278
No
135
21.0
117
18.6
Yes
508
79.0
513
81.4
Variables
Appearance of facial spots/melasmab
§
0—no ()
1—yes ()
%
%
Age range
0.001
<25 years
458
75.7
147
24.3
26 years or more
386
57.4
287
42.6
Mother or sister diagnosed with facial blemishes/melasma
<0.0001
No
582
69.0
226
52.1
Yes
230
27.3
200
46.1
Unknown
31
3.7
Primiparous
<0.0001
No
413
48.9
261
60.1
Yes
432
51.1
173
39.9
Phototype
0.902
1
10
1.2
4
0.9
2
165
19.6
84
19.5
3
386
45.9
196
45.6
4
205
24.4
115
26.7
5
69
8.2
29
6.7
6
6
0.7
2
0.5
Daily facial sunscreen use
<0.0001
No
724
86.2
319
73.7
Yes
116
13.8
114
26.3
Developed health complications during pregnancy
0.894
No
434
51.5
222
51.2
Yes
498
48.5
212
48.8
Number of pregnancies, groups
<0.001
1
416
49.2
151
34.8
2
241
28.5
131
30.2
3
100
11.8
76
17.5
4
50
5.9
30
6.9
5 or more
38
4.5
46
10.6
aPercentages calculated based on the total of each group that noted the appearance of stretch marks. bPercentages calculated based on the total of each group that noted the appearance of facial spots/melasma. §Pearson’s chi-squared test.
