Circunferencia de la cabeza, Merz
Ultrasound in Gynecology and Obstetrics
Merz E.
CC
±
CC
mm sems. Días 2DS
mm sems. Días 2DS
72.0 12
01
09
122.0 15
04
74.0 12
02
11
124.0 15
05
76.0 12
03
10
126.0 15
06
78.0 12
04
10
128.0 16
00
80.0 12
05
10
130.0 16
01
82.0 12
06
10
132.0 16
02
84.0 12
06
11
134.0 16
03
86.0 13
01
10
136.0 16
04
88.0 13
01
11
138.0 16
05
90.0 13
02
11
140.0 16
06
92.0 13
04
10
142.0 17
00
94.0 13
04
11
144.0 17
01
96.0 13
05
10
146.0 17
02
98.0 13
06
11
148.0 17
04
100.0 14
00
10
150.0 17
04
102.0 14
01
12
152.0 17
06
104.0 14
02
11
154.0 17
06
106.0 14
03
11
156.0 18
01
108.0 14
04
11
158.0 18
01
110.0 14
05
11
160.0 18
03
112.0 14
06
11
162.0 18
04
114.0 15
00
11
164.0 18
05
116.0 15
01
11
166.0 18
06
118.0 15
02
11
168.0 19
00
120.0 15
03
11
170.0 19
01
Circunferencia de la cabeza, Lasser
Lasser DM, Peisner DB, Vollebergh J, Timor-Tritsch I. "First-trimester fetal biometry using transvaginal sonography."
in Obstetrics and Gynecology
3:104, 1993.
CC
±
CC
mm sems. Días 2DS
mm sems. Días 2DS
35.3 08
05
05
45.6 09
05
36.8 08
06
05
47.1 09
06
38.2 09
00
05
48.6 10
00
39.7 09
01
05
50.0 10
01
41.2 09
02
05
51.6 10
02
42.7 09
03
05
53.0 10
03
44.2 09
04
05
54.5 10
04
R E F E R E N C I A
D E L
S I S T E M A
. Stuttgart and New York: Thieme Medical Publishers, Inc., 1991, p. 326.
±
CC
±
CC
mm sems. Días 2DS
mm sems. Días 2DS
12
172.0 19
02
13
222.0 23
12
174.0 19
03
12
224.0 23
11
176.0 19
04
13
226.0 23
12
178.0 19
06
13
228.0 24
12
180.0 19
06
15
230.0 24
12
182.0 20
01
13
232.0 24
12
184.0 20
01
15
234.0 24
12
186.0 20
03
13
236.0 24
12
188.0 20
04
13
238.0 24
12
190.0 20
05
13
240.0 25
12
192.0 20
06
15
242.0 25
12
194.0 21
01
13
244.0 25
12
196.0 21
01
15
246.0 25
12
198.0 21
03
13
248.0 25
13
200.0 21
04
15
250.0 26
12
202.0 21
05
15
252.0 26
13
204.0 21
06
15
254.0 26
12
206.0 22
01
15
256.0 26
13
208.0 22
01
15
258.0 26
12
210.0 22
03
15
260.0 27
12
212.0 22
04
15
262.0 27
12
214.0 22
05
15
264.0 27
12
216.0 22
06
15
266.0 27
13
218.0 23
01
15
268.0 27
12
220.0 23
02
13
270.0 28
±
CC
±
CC
mm sems. Días 2DS
mm sems. Días 2DS
05
56.0 10
05
05
64.9 11
05
57.5 10
06
05
66.4 11
05
59.0 11
00
05
67.8 11
05
60.4 11
01
05
69.3 12
05
61.9 11
02
05
70.8 12
05
63.4 11
03
05
72.3 12
05
64.0 11
03
05
73.8 12
9 R e f e r e n c i a s o b s t é t r i c a s
±
CC
±
mm sems. Días 2DS
04
15
272.0 28
02
16
04
15
274.0 28
04
16
06
15
276.0 28
05
16
00
16
278.0 28
06
17
01
16
280.0 29
01
16
03
15
282.0 29
02
16
04
15
284.0 29
04
17
05
16
286.0 29
06
16
06
16
288.0 30
00
16
01
15
290.0 30
01
17
02
16
292.0 30
04
16
04
15
294.0 30
05
16
05
16
296.0 30
06
17
06
16
298.0 31
01
16
00
16
300.0 31
03
17
01
16
302.0 31
04
17
03
15
304.0 31
06
17
04
16
306.0 32
01
17
06
15
308.0 32
02
17
00
16
310.0 32
04
17
01
16
312.0 32
06
17
03
15
314.0 33
01
17
04
16
316.0 33
03
17
06
15
318.0 33
04
17
01
16
320.0 33
06
18
±
CC
±
mm sems. Días 2DS
04
05
75.2 12
04
05
05
05
76.7 12
05
05
06
05
78.2 12
06
05
00
05
79.7 13
00
05
01
05
81.2 13
01
05
02
05
82.6 13
02
05
03
05
84.1 13
03
05
CC
±
mm sems. Días 2DS
322.0 34
01
17
324.0 34
03
18
326.0 34
05
18
328.0 34
06
18
330.0 35
01
18
332.0 35
04
18
334.0 35
06
18
336.0 36
01
18
338.0 36
03
18
340.0 36
04
19
342.0 36
06
19
344.0 37
01
19
346.0 37
04
18
348.0 37
06
19
350.0 38
01
21
352.0 38
04
19
354.0 38
06
19
356.0 39
01
19
358.0 39
04
19
360.0 39
06
19
362.0 40
01
19
364.0 40
04
19
Ultrasound
CC
±
mm sems. Días 2DS
85.6 13
04
05
87.1 13
05
05
88.6 13
06
05
90.0 14
00
05
91.5 14
01
05
93.0 14
02
05
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