Age
since conception |
Length* |
Weight |
Development |
| 4 weeks |
1.25 inch |
minute |
Internal organs present. |
| 8 weeks |
3.75 inches |
minute |
Limbs are distinct.
Sex is recognizable. |
| 12 weeks |
5 inches |
4.5 - 6 ounces |
Hoofs are forming
Ends of cannon bones are ossifying. |
| 16 weeks |
8 - 9 inches |
2 pounds |
Traces of hair around lips. |
| 20 weeks |
8 - 9 inches |
4 - 5 pounds |
Traces of hair above the eyes and on tip of tail.
External sexual organs have formed. |
| 24 weeks |
22 inches |
12 - 13 pounds |
Hair is becoming more apparent. |
| 28 weeks |
23 -25 inches |
29 - 34 pounds |
Some mane hair is starting to grow. |
| 32 weeks |
27 - 29 inches |
36 - 42 pounds |
Hair is starting to grow along spine |
| 36 weeks |
30 - 33 inches |
51 - 57 pounds |
Some hair is all over body. Very premature, but might be able to survive if born
today. |
| 40 weeks |
34 - 37 inches |
64 - 74 pounds |
Coat has grown in. |
| 44 weeks |
43+ inches |
85 - 110 pounds |
Baby molars are starting to come through the gums.
Baby is due any time now! |
*From poll to top of tail These are estimates only. Consult your veterinarian for
more information. |
