Sentence examples for multiple births to from inspiring English sources

The drop reflects guidelines brought in by the Human Fertilisation and Embryology Authority HFEAA) that urged UK fertility clinics to limit multiple births to no more than 24% in 2009/10.

The technology could also decrease the number of multiple births to women undergoing in-vitro fertilization because fewer embryos would have to be inserted into the womb to lead to a successful pregnancy.

It is important to draw that distinction, state health officials say, because the numbers might seem to indicate that efforts at helping poor mothers were bringing little result; in fact, they say, they are making progress, but the low birth weight numbers are skewed by the pool of multiple births to older mothers.

We spoke to two families raising children born in multiple births to find out.

Researchers writing in BJOG: An International Journal of Obstetrics and Gynecology used data on more than 5.4 million births occurring between 1984 and 2007 to find that congenital defects rose from around 6 in every 10,000 multiple births to about 11 in every 10,000 multiples.

In all analyses we used robust standard errors, taking account of possible clustering within siblings (including twins or higher order multiple births), to calculate p-values and 95% confidence intervals.

Over the age of 44 it becomes very rare for a mother of a multiple birth to have a baby diagnosed with Down syndrome.

Compared with all primiparous women, those with prescription drug use were more likely to be smokers, to have multiple births, and to be older.

Secondly, as infants of multiple births need to be randomized to the same group due the family being involved in the intervention, there will also be stratification for multiple births.

"The most important reason is the dramatic decline in multiple births due to policies of choosing to transfer only one embryo at a time".

To determine the prevalence in the neonatal literature of statistical approaches accounting for the unique clustering patterns of multiple births and to explore the sensitivity of an actual trial to several analytic approaches to multiples.