Even ...
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_vJO9eWclcOrY6AO5y2KByWoiAagEfYVgw0cObj_dwZqitk6pE8s5fEdsqsoVmemZr_Xq-dOdINYY4OyhdLD5WM_VsDksC6cGJMMf0mLvWgk9KZXhECXOaq4CKw_Cha8eY=s0-d)
Due Dates and Twin Pregnancy
![alt=](https://babydustdiaries.files.wordpress.com/2011/01/screen-shot-2011-01-13-at-1-30-27-am1.png)
/sites/tidsskriftet.no/files/2012--T-11-
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_tPJ8iS-Vr01m8gLaBusGr0ccV5YliWn-iD6OGH0MydYWhDcOGSVZc5tR_GvAOaPuYfKS9sqXbsjTzefGJz4Smz6JfReY90pcLjMFKDMWEWJ07me76R893SDMQCvtyFN5iiuPFd8nCYyTOCDb-x9EZNXbK4=s0-d)
In the UK ...
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_u3CLx_QfKMWS58rjav-SGDbFCd9Dp9wv-Bk7o0r-zfnrDaiQeACcFsGHsVz0Mw5PGqSXDxgq99jUuOJBKWJdAkw-ctFzbXiks-_-1KbDGqVOry_K5hjBkP6WYhon2lRkL40Tpr3WvNaHeQ59h2xymp=s0-d)
Probably Overthinking It
![alt=](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-tn22UvK87-407W99NBxB7_bSCBM5X0eLTzT7lqxbpt7eBGYkicY6bhtNfjWPmJHyBN1MsEHhkB0NwjoN36cLjTKgkk47N5ST-q8VSaaTD6wX0yQS7Ta0u3VCaHuBHY-tjkEGLHS2f3M/s1600/nsfg_pmf.png)
Birthweight vs. duration of pregnancy
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_spI_WHCKqG5t-nqsjbb1M84WVxId3kC5CeWy6QuQjSD1UdKFQLEz7g5dNGX76jOdNRxjWRfjkY3LZhir2gaBzRByKWicgLDQ54u1n2dnVD4SA3a7CLNzXqkzx7QCk=s0-d)
Figure 1: Relation of cervical length and width to duration of pregnancy
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_v3xMhw-0WdB6METWLO5yZYNWm5OHgCKCxUhO5FdjjHi_MpD8ajMBt0GBRg3Gee2IArYtKNh0qjUofDFZ2Au0pIgm8ydxtt3lVkcfKngs6aqzzgw6N1W6wN-urqJFCg=s0-d)
Mean Sac Diameter measurement is used to determine gestational age before a Crown Rump length can be clearly measured.The average sac diameter is determined ...
![alt=](https://lh3.googleusercontent.com/blogger_img_proxy/AEn0k_ua4E7X5QpPRBjgiNRdxx1rCXBmhQqVkaFGWI6EzmLC4Lf-isqrVKwhsjl2xfeJEgcpPX6MpN4HI99DHggiBX8_lbLhGNsuiiDO9N20PJdlxzzcJgkWjgVMGKpaR8JVt21Zw7u5aWmxyhILcpK8wmIXxhAhrIVK13mFeuotbeooTEolOg=s0-d)
average length of pregnancy