Supertwins
Statistics

Prior to the delivery of her multiples:
38% of mothers took a prenatal class
54% toured the neonatal
intensive care unit (NICU)
For information about touring the NICU prior to delivery, see MOST FAQ #13.
For information about choosing a hosptial for delivery, see MOST FAQ #10.
Type of delivery:
93.3% cesarean section (c-section)
1.9% combined vaginal/c-section
0.9% no answer
3.9% vaginal
For information about delayed interval deliveries (multiples delievered on different dates), see MOST FAQ #15.
The following statistics apply to the types of anesthetic used
during delivery:
56.08% Epidural
33.52%
Spinal
5.72% General
3.74% No answer
0.66% None
0.17% Local
0.06% Don't know
0.06% Other
|
Multiple Type |
Average weeks gestation at delivery |
Range in weeks |
| Twins |
35.46 |
30 to 38 |
| Triplets |
33.12 |
16 to 39 |
| Quadruplets |
31.30 |
19 to 38 |
| Quintuplets |
29.73 |
20 to 37 |
| Sextuplets |
29.14 |
25 to 32 |
| Average Weeks Gestation At Delivery By 5-yr Period |
| Range |
Twins |
Triplets |
Quadruplets |
Quintuplets |
Sextuplets |
| Prior
to 1980 |
|
34.5 |
31.0 |
|
|
| 1980-1984 |
|
32.0 |
37.0 |
|
|
| 1985-1989 |
|
34.3 |
32.5 |
31.8 |
|
| 1990-1994 |
38.0 |
33.7 |
31.6 |
30.7 |
29.0 |
| 1995-1999 |
35.6 |
33.1 |
31.7 |
29.7 |
29.3 |
| 2000-2004 |
34.5 |
32.7 |
30.2 |
28.6 |
|
2005-2009 |
|
31.9 |
30.4 |
|
|