|
Appendix 3
Movement and Learning Patterns of the Unborn Child and
The Development of the Senses
|
Hiccups
|
Timing
|
Source |
First occur.
|
6th week after conception |
Roodenburg, p 32 |
| First occur. |
6 1/2 - 8 1/2 weeks after conception |
Nijhuis/de Vries, p 5 |
| Observed in 12 of 12 fetuses studied,
with a median frequency of about 50 hiccups per
hour. |
8th week after conception |
de Vries (1985) p 108 |
| The frequency of hiccupping changes
during the day. In a study of 10 fetuses, the median
number of hiccups during 8 AM to 10 AM was 28 per
hour, decreasing to 12 per hour during 1 PM to 3
PM. |
20th - 22nd weeks after conception |
de Vries (1987), p 338 |
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