Editing Multiple birth (section)

===Nutrition===
As preterm birth is such a risk for women with multiple pregnancies, it has been suggested that these women should be encouraged to follow a high-calorie diet to increase the birth weights of the babies.<ref>{{Cite journal |last1=Kwok |first1=Man Ki |last2=Yeung |first2=Shiu Lun Au |last3=Leung |first3=Gabriel M. |last4=Mary Schooling |first4=C. |date=2016-03-01 |title=Birth weight and adult cardiovascular risk factors using multiple birth status as an instrumental variable in the 1958 British Birth Cohort |journal=Preventive Medicine |volume=84 |pages=69–75 |doi=10.1016/j.ypmed.2015.12.016 |issn=0091-7435 |pmid=26748345}}</ref> Evidence around this subject is not yet good enough to advise women to do this because the long term effects of the high-calorie diets on the mother are not known.<ref>{{Cite journal |last1=Bricker |first1=L |last2=Reed |first2=K |last3=Wood |first3=L |last4=Neilson |first4=JP |date=24 November 2015 |title=Nutritional advice for improving outcomes in multiple pregnancies. |journal=The Cochrane Database of Systematic Reviews |volume=2015 |issue=11 |pages=CD008867 |doi=10.1002/14651858.CD008867.pub3 |pmc=7133547 |pmid=26599328}}</ref>