Supertwin
Statistics
Sextuplet Profile
Pregnancy:
The MOST Birth Survey contains 7 responses from sextuplet families.
Pregnancy was confirmed on average at 2.3 weeks (ranging 2-3 weeks)
Sextuplets were confirmed on average at 4.9 weeks (ranging 4-6 weeks)
Sextuplet mothers were referred to a high-risk specialist on average at 6.4 weeks (ranging 4-12 weeks)
The average gestation of a sextuplet pregnancy is 29.1 weeks (ranging 25 - 32 weeks)
The average weight gain for a sextuplet pregnancy is 55.5 lbs (ranging 31 - 80 lbs)
71.4% of sextuplet mothers in this study recevied steriod injections prior to delivery.
14.3% of sextuplet mothers in this survey had a cerclage performed.
Delivery:
Average birth weight for sextuplets is 2 lbs 8 ounces.
|
Average sextuplet birth weights |
Weight Range |
NICU Stay
in days (range)
|
Hospital Stay
in days (range)
|
| Baby 1 |
2 lbs 8 oz |
2 lbs 0 oz - 2 lbs 15 oz |
73.3 (10-195 days) |
66.0 (32-112 days) |
| Baby 2 |
2 lbs 9 oz |
1 lbs 9 oz - 3 lbs 5 oz |
45.7 (10-90 days) |
62.6 (32-90 days) |
| Baby 3 |
2 lbs 5 oz |
1 lb 8 oz - 3 lbs 3 oz |
49.8 (10-105 days) |
51.8 (35-66 days) |
| Baby 4 |
2 lbs 10 oz |
2 lbs 7 oz - 2 lbs 12 oz |
43.5 (10-77 days) |
63.0 (49-77 days) |
| Baby 5 |
2 lbs 8 oz |
2 lbs 4 oz - 2 lbs 11 oz |
53.0 (10-96 days) |
96.0 (96-96 days) |
| Baby 6 |
2 lbs 12 oz |
2 lbs 11 oz - 2 lbs 13 oz |
64.5 (10-119 days) |
84.0 (49-119 days) |
Reason for delivery in sextuplets:
42.9% delivered due to labor progressing
28.6% delivered due to fetal complication
28.6% delivered due to maternal complications
No sextuplets were delivered due to a scheduled c-section or induction
The average gestation due to preterm labor and other complications was 29.1 wks.
# of Older Siblings |
Average Gestation at Delivery |
0 |
28.7 weeks |
1 |
32.0 weeks |
Quadruplet Births by Month/Season
(Note: some surveys did not give a DOB) |
January |
1 |
28.6% born in Winter
42.9% born in Spring
28.6% born in Summer
0% born in Fall |
February |
0 |
March |
2 |
April |
0 |
May |
1 |
June |
0 |
July |
2 |
August |
0 |
September |
0 |
October |
0 |
November |
0 |
December |
1 |
Zygosity:
100% of all sextuplets were fraternal
Gender:
33.33% of sextuplets were female
28.57% of sextuplets were male
38.10% gave no answer
Breastfeeding:
57% of all sextuplet mothers breastfed their babies for an average of 11.8 weeks.
57% of all sextuplet mothers pumped breast milk for their babies for an average of 14 weeks.
Sextuplet mothers either breastfed or provided breast milk for their babies for a total average of 11.2 weeks.
43% of sextuplet mothers indicated having difficulty breastfeeding or pumping.
Location:
The state with the largest population of sextuplets in this survey is New York representing 28.57% of all sextuplet surveys. The remaining sextuplet respondents were from California, Indiana, Maryland, Massachusettes, and New Jersey.
100% of the sextuplet respondents to this survey lived in the US
The year with the most sextuplet births in this survey was 1996 with 2 sextuplets born. (See table below for more details.)
Year 19** |
| Year |
91 |
92 |
93 |
95 |
96 |
97 |
| Count |
1 |
1 |
1 |
1 |
2 |
1 |
Updated 06/22/07
