|
Appendix 3
Movement and Learning Patterns of the Unborn Child and
The Development of the Senses
|
Heart Rate
|
Timing
|
Source |
The heart is contracting at a rate
of 40 to 80 beats per minute, as measured with an
electrocardiogram.
|
6th - 7th weeks after conception |
Rugh, p 53 |
| The fetal heart rate decreases overnight. |
20th - 22nd weeks after conception |
de Vries (1987), p 341 |
| The daily pattern of changes in the
fetal heart rate follows the changes in the maternal
heart rate. |
20th -22nd weeks after conception |
de Vries (1987), p 345 & 346 |
|
