One in 30 children born in the U.S. now is a twin... as more older women having children and using fertility treatments

One out of every 30 babies born in the United States will be born a twin according to new statistics reported this week that show the number nearly doubling in the last 20 years. 

With more women using fertility treatments and giving birth at older ages, the likelihood for twins, triplets and other multiples have drastically increased, according to researchers from Michigan State University and the Centers for Disease Control and Prevention.

Their report found that in 2009, a pair of twins were born for every 30 babies compared to 1980's findings of one pair out of every 53.

Baby boom: New statistics report that one out of every 30 babies born in the US will be born a twin, nearly doubling the chances in the last 20 years thanks to more older women giving birth and fertility treatments

GROWING STATISTICS

TWINS:

In 2009, twins were reported in every 30 babies born

In 1980, twins were reported in every 53 babies born

TRIPLETS:

In 2009, triplets were reported in every 651 babies born

In 1980, triplets were reported in every 2,702 babies born

For triplets, in 2009 they were reported in every 651 babies. That’s over four times as many as in 1980 when 2,702 reported.

 

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'Older maternal age accounts for about one-third of the rise, and two-thirds is due to the increased use of fertility treatments,' said Dr Barbara Luke, a researcher at MSU’s College of Human Medicine's Department of Obstetrics, Gynaecology and Reproductive Biology in a statement.

En vogue: The most recent findings are based on births reported in 2009 which was one year after singer Jennifer Lopez (left) and actress Angelina Jolie (right) gave birth to her own sets of twins

Singers: Mariah Carey and husband Nick Cannon (left) also gave birth to twins last year, while Celine Dion gave birth to them in 2010 with husband Rene Angelil (right)

Dr Luke presented her findings this week to the 14th Congress of the International Society of Twin Studies in Florence, Italy.

'With multiple births though there are greater health risks,' Dr Luke added. 

More adverse health outcomes are connected to those using the treatments in comparison to pregnancies through spontaneous-conception, according to the research.

Dr Luke's work noted that roughly 12 per cent of US women have undergone fertility therapies.

'Continued research is necessary to improve outcomes,' she said, finding the foetuses from surviving embryos after in vitro fertilization more likely to have a lower birth weight.

CELEBRITIES WITH TWINS

Mariah Carey (42) and Nick Cannon (31): Boy and girl twins on April 30 of 2011

Jennifer Lopez (42) and Marc Anthony (43): Boy and girl twins on February 22 of 2008

Angelina Jolie (36) and Brad Pitt (48): Boy and girl twins on July 12 of 2008

Celine Dion (44) and Rene Angelil (70): Boy twins on October 23 of 2010

Sarah Jessica Parker (47) and Matthew Broderick (50): Girl twins on June 22 of 2009 through surrogate

Angela Bassett (53) and Courtney B. Vance (52): Boy and girl twins on January 27 of 2006

Joan Lunden (61) and Jeff Konigsberg: Two sets of two boys and two girls through surrogate on and after 2003

                                                                                                                                                                                   *ages today

Read more: http://www.dailymail.co.uk/news/article-2125036/One-30-children-born-U-S-twin--older-women-having-children-using-fertility-treatments.html#ixzz1r5yTZ9I7