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Supertwin Statistics

Sextuplet Profile with Data on

Septuplets, Octuplets and Other Higher-Order Multiple Births

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.


Sextuplet, Septuplet, and Octuplet

 Fact Sheet

The birth of octuplets in January 2009 brought the public’s attention to the topic higher-order multiples (triplets, quadruplets, and more). MOST has been working with families of higher-multiples for well over 20 years, and is pleased to share some of the facts below about the highest of higher-order multiples: sextuplets, septuplets, and octuplets.

 

What is often misunderstood about these exceptional births is that:

Not all higher-order multiples are the result of fertility treatments. MOST estimates that a little over 15% of all triplet or higher pregnancies are spontaneous conceptions and not the result of any fertility treatments. Also, the majority of quintuplet and higher births are not the result of procedures like in-vitro fertilization (IVF) or other assisted reproductive technology (ART), but rather the use of fertility medications: a much lower cost/risk treatment option. (See MOST's FAQ on multiples and fertility treaments for details.)

The birth of quintuplets and higher is still extremely rare with fewer than 20 sets of quintuplets and 1 or fewer sets of sextuplets or more born in the US each year. (See MOST's FAQ on the odds of having multiples for details.)

Fertility treatments cannot always be precisely regulated. In fact, using ovulation-stimulating medications alone or with insemination procedures makes controlling the outcome much more difficult than using procedures like IVF. (See MOST's Medical Birth Survey statistics on conception of multiples for details.)

The procedure known as a multi-fetal reduction, sometimes called selective reduction, entails both risks and benefits for pregnancies of triplets or more. For families that do choose to reduce, the decision often results in a loss that can be emotionally difficult, especially in pregnancies that were very much anticipated and desired. (See MOST's FAQ on multi-fetal reductions for details.)

Families faced with a pregnancy of quintuplets or more must contend with a difficult situation during the pregnancy and many challenges after birth. Even couples who do undergo fertility treatments to conceive are, in almost all cases, truly seeking the birth of a healthy baby and not a multiple birth because they garner national media attention or free gifts. (See the "MOST Statement on Media Exposure and Multiple Births" for more information.)

With the exception of a small number of high-profile cases, most families of higher-order multiples will care for their children with the help and support, including financial support, of only family members, friends and for the lucky ones, a small handful of local volunteers. Many care for their children completely on their own. (See MOST's Infant Multiples FAQs for details.)

Without question a higher-order multiple pregnancy is riskier than a singleton pregnancy, but with recent advances in the care of premature infants, many infants from a higher-order multiple pregnancy do better than some of the data that is quoted suggests. (See MOST'S Expecting Multiples FAQs for details.)

MOST, and our daughter organization PreemieCare, fully support any efforts to reduce the number of higher-order multiple conceptions that result from treatments for infertility, as well medical advancements that improve the outcomes of infants born prematurely. (See MOST’s recommendations on the responsible use of fertility treatments.)

At the same time, we remain committed to our mission of supporting the parents who face difficult decisions once they find they are expecting triplets or more, as well as the challenges they will face in providing for their multiple birth children after delivery. With support and education from MOST, expectant parents can learn more about what they can do to help have the best possible pregnancy outcome, prepare for their children’s care after birth, and provide for their children’s physical, developmental, educational, emotional and mental well being the way all parents hope to do.

 

For additional information on these topics see the following MOST resources: 

  Sextuplets (6) Septuplets (7) Octuplets (8)

How

many

have

been

born?

At least 80 and possibly as many as 175 births in the world have resulted from a pregnancy involving 6 babies.

A sextuplet or higher pregnancy will likely go to 29-30 weeks gestation or earlier.
Around 40-50 births in the world have resulted from a pregnancy involving 7 babies. Somewhere between 11 and 19 births in the world have resulted from a pregnancy involving 8 babies.

How

many

have

survived?

At least 35 sets of sextuplets, and possibly more, resulted in 6 live births where the babies survived beyond infancy.

According to the data in MOST’s records, 1/3 of the sextuplets births in the US since 1973 have resulted all 6 surviving, and almost 60% have had at least 1, and frequently more survivors.

Although many septuplets do not survive to birth or beyond infancy, at least 3 sets of septuplets, and possibly 1 more, did result in 7 live births where the babies survived beyond infancy.

Several other cases of septuplets resulted in 1 or more survivors.
The set of octuplets born in January 2009 in California may be the first set in the world where all 8 babies survive beyone infancy.

Famous

irths

The first set to have all 6 survive were born in South Africa in 1974. In the US the first set of sextuplets to survive were born in 1993.

The busiest years for sextuplets were 2004 when 7 sets were born and 2008 when 6 sets were born. In 2004 the US alone had 6 sextuplet births where it is believed that all 36 babies survived.

The first set where all 7 septuplets survived took place in Iowa in 1997, and the most recent all surviving set of septuplets was born to a woman in Egypt in August 2008. The third surviving set was born to a woman in Saudia Arabia in 1998.

Other cases of septuplet births have been reported in the UK, Italy, France, Portugal, Nicaragua, Ethiopia, Columbia, Saudi Arabia, India, California, Virginia, and Indiana.

One set of octuplets was born in 1998 in Texas. All 8 babies were live births although sadly, one baby passed away a week after being born.

Other cases of octuplet births have been reported in Algeria, Mexico, Turkey, the UK, Spain, and Italy.

What is

the cost

of raising

them?

 

*Financial

figures

calculated

using the

U.S. Dept of Agriculture

Cost of Raising

a Child

Calculator

The cost for a cesarean delivery of sextuplets could be around $150,000.

Parents would need 394 hours a week to care for sextuplet infants.

A middle-class family can expect to spend at least $55,000 on housing, food, clothing, transportation, health, education and other expenses for sextuplets during the first year, more if their infants were born very prematurely. (This would include over $5000 in diapers alone.)*

A family with sextuplets might spend over $1 million by the time the sextuplets graduate high school.*

A sextuplet family can expect, for children born in 2008, to spend over $500,000 to send them to a public university.*

The cost for a cesarean delivery of septuplets could be around $175,000.

Parents would need 460 hours a week to care for septuplet infants.

A middle-class family can expect to spend at least $64,000 on housing, food, clothing, transportation, health, education and other expenses for septuplets during the first year, more if their infants were born very prematurely. (This would include over $6000 in diapers alone.)*

A family with septuplets might spend over $1.2 million by the time the septuplets graduate high school.*

A septuplet family can expect, for children born in 2008, to spend over $600,000 to send them to a public university.*

The costs for a cesarean delivery of octuplets could be around $200,000.

Parents would need over 525 hours a week to care for octuplet infants.

A middle-class family can expect to spend over $73,000 on housing, food, transportation, clothing, health, education and other expenses for octuplets during the first year, more if their infants were born very prematurely. (This would include almost $7000 in diapers alone.)*

A family with octuplets might spend around $1.4 million by the time the octuplets graduate high school.*

An octuplet family can expect, for children born in 2008, to spend almost $700,000 to send them to a public university.*

Other

Notable

Multiple

Births

According to the Guinness Book of Records, the record for multiple births belongs to an Australian woman who gave birth in June 1971 to 9 babies (nonuplets): 2 were stillborn, while the other 7 survived for six days beyond birth.

An Italian mother conceived 15 babies in 1971, but the pregnancy was not taken to term.

A mother from outside of Moscow holds the record for most children born. She had a total of 69 children after giving birth to 16 sets of twins, 7 sets of triplets, and 4 sets of quadruplets. Sixty-seven of the 69 children born between 1725 and 1756 are believed to have survived infancy.

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Updated 6/16/09

 
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