Supertwins
Statistics
Quintuplet Profile
Pregnancy:
The MOST Birth Survey contains 52 responses from quintuplet families.
Pregnancy was confirmed on average at 3.8 weeks (ranging 2-15 weeks)
Quintuplets were confirmed on average at 5.9 weeks (ranging 2-15 weeks)
Quintuplet mothers were referred to a high-risk specialist on average at 9.5 weeks (ranging 1-24 weeks)
The average gestation of a quintuplet pregnancy is 29.7 weeks (ranging 20 - 37 weeks)
The average weight gain for a quintuplet pregnancy is 51.4 lbs (ranging 2 - 110 lbs)
71.2% of quintuplet mothers in this study recevied steriod injections prior to delivery.
46.2% of quintuplet mothers in this survey had a cerclage performed.
Delivery:
Average
birth weight for quintuplets is 2 lbs 12 ounces.
|
Average quintuplet birth weights |
Weigth Range |
NICU Stay
in days (range)
|
Hospital Stay
in days (range)
|
| Baby 1 |
2 lbs 15 oz |
12 oz - 5 lbs 11 oz |
40.7 (0-135 days) |
41.3 (4-150 days) |
| Baby 2 |
2 lbs 14 oz |
0 oz - 5 lbs 13 oz |
43.1 (0-120 days) |
46.8 (4-180 days) |
| Baby 3 |
2 lbs 13 oz |
11 oz - 6 lbs 10 oz |
46.5 (0-187 days) |
55.9 (4-384 days) |
| Baby 4 |
2 lbs 8 oz |
11 oz - 4 lbs 10 oz |
54.0 (0-194 days) |
58.7 (21-194 days) |
| Baby 5 |
2 lbs 2 oz |
10 oz - 3 lbs 15 oz |
57.9 (0-140 days) |
68.2 (21-180 days) |
Reason
for delivery in quintuplets:
42.1% delivered due to labor progressing
19.1% delivered due to maternal complications
17.2% delivered due to fetal complication
13.4 were scheduled deliveries (c-section/induction)
7.6% delivered due to ruptured membranes (PROM)
The remaining 0.6% delivered for the following reasons: preeclampsia, poor fetal growth, fetal distress, uterine infection, fetal demise, and other.
The
average gestation for a scheduled delivery was 32.7 wks.
The
average gestation due to preterm labor and other complications was 29.2 wks.
# of Older Siblings |
Average Gestation at Delivery |
0 |
28.9 weeks |
1 |
30.6 weeks |
2 |
32.0 weeks |
Quadruplet Births by Month/Season
(Note: some surveys did not give a DOB) |
| January |
3 |
12% born in Winter
25% born in Spring
25% born in Summer
38% born in Fall |
| February |
0 |
| March |
7 |
| April |
3 |
| May |
3 |
| June |
2 |
| July |
6 |
| August |
5 |
| September |
5 |
| October |
8 |
| November |
7 |
| December |
3 |
Zygosity:
76.9%
of quintuplets were all fraternal
15.4%
of quintuplets were a combination of fraternal and identical
7.7%
of quintuplets were of an unknown zygosity
Gender:
39.92% of quintuplets were female
48.45% of quintuplets were male
11.63% gave no answer
Breastfeeding:
44% of all quintuplet mothers breastfed their babies for an average of 16.6 weeks.
37% of all quintuplet mothers pumped breast milk for their babies for an average of 10.1 weeks.
Quintuplet mothers either breastfed or provided breast milk for their babies for a total average of 13.5 weeks.
54% of quintuplet mothers indicated having difficulty breastfeeding or pumping.
Location:
The state with the largest population of quintuplets in this survey is New York representing 15.38% of all quintuplet surveys followed by Illinios at 13.46%, Florida at 11.54%, and Pennsylvania at 7.69%.
98% of the quintuplet respondents to this survey lived in the US
2% lived outside the US
The year with the most quintuplet births in this survey was 1996 with 10 quintuplets born. (See table below for more details.)
Year 19** |
Year 20** |
| Year |
87 |
89 |
91 |
93 |
94 |
95 |
96 |
97 |
98 |
99 |
01 |
02 |
03 |
04 |
| Count |
2 |
2 |
1 |
2 |
4 |
5 |
10 |
9 |
3 |
2 |
4 |
1 |
5 |
2 |
