This drawing depicts a sideways view of 24 weeks' gestation of births of singletons, twins, triplets and quads.
At 24 weeks, an expectant mother of a singleton is just beginning to show her pregnancy and her uterus is approximately the size of a ball 20 inches around. The twin mom at 24 weeks might look like a typical 32-week pregnancy and may have a uterus 28 inches around.
The triplet mom at 24 weeks may look like a singleton mom would appear at 36 weeks and her uterus would be about 33 inches around, or the size of a smallish beach ball. And at 24 weeks, the mom of quads might look as large as a standard pregnancy's mom at 40 weeks. She would be full-term size, with her uterus 36 inches around.
When Should You Expect to Deliver
| Type of Birth |
 |
Typical Arrival Time |
|
Other Factors |
| Singletons |
|
40 Weeks |
|
5% Born Before 35 Weeks
1% Born Before 31 Week |
| Twins |
|
36 Weeks |
|
35% Born Before 35 Weeks
10% Born Before 31 Week |
| Triplets |
|
32 Weeks |
|
80% Born Before 35 Weeks
30% Born Before 31 Week |
| Quads |
|
30 Weeks |
|
No Stats Available |
From When You're Expecting Twins, Triplets, or Quads by Dr. Barbara Luke. Copyright (c) 1999 by Dr. Barbara Luke. Reprinted by arrangement with HarperCollins Publishers, Inc. All rights reserved.
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