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The #'s listed are averages of singleton pregnancies, but the website states that twins should be close:
https://www.twinstuff.com/twinweights.htm
I always used the one on baby center, even though it isn't specific to twins: https://www.drspock.com/article/0,1510,6233,00.html
There is a twin one on the Dr Spock website: https://www.drspock.com/article/0,1510,6233,00.html
Re: What is the web site for in utero twin weights?
The #'s listed are averages of singleton pregnancies, but the website states that twins should be close:
https://www.twinstuff.com/twinweights.htm
I always used the one on baby center, even though it isn't specific to twins: https://www.drspock.com/article/0,1510,6233,00.html
There is a twin one on the Dr Spock website: https://www.drspock.com/article/0,1510,6233,00.html