Editing Miscarriage (section)

===Ultrasound criteria===
A review article in ''[[The New England Journal of Medicine]]'' based on a consensus meeting of the Society of Radiologists in Ultrasound in America (SRU) has suggested that miscarriage should be diagnosed only if any of the following criteria are met upon ultrasonography visualisation:<ref name="Doubilet2013">{{cite journal | vauthors = Doubilet PM, Benson CB, Bourne T, Blaivas M, Barnhart KT, Benacerraf BR, Brown DL, Filly RA, Fox JC, Goldstein SR, Kendall JL, Lyons EA, Porter MB, Pretorius DH, Timor-Tritsch IE | title = Diagnostic criteria for nonviable pregnancy early in the first trimester | journal = The New England Journal of Medicine | volume = 369 | issue = 15 | pages = 1443–51 | date = October 2013 | pmid = 24106937 | doi = 10.1056/NEJMra1302417 | url = https://escholarship.org/uc/item/3g86q83k }}</ref>

{| class="wikitable"
! Miscarriage diagnosed
! Miscarriage suspected
! References
|-
| [[Crown-rump length]] of at least 7&nbsp;mm and no [[embryonic heartbeat|heartbeat]].
| Crown–rump length of less than 7&nbsp;mm and no heartbeat.
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
| Mean [[gestational sac]] diameter of at least 25&nbsp;mm and no embryo.
| Mean gestational sac diameter of 16–24&nbsp;mm and no embryo.
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
| Absence of embryo with heartbeat at least 2 weeks after an ultrasound scan that showed a gestational sac without a [[yolk sac]].
| Absence of embryo with heartbeat 7–13 days after an ultrasound scan that showed a gestational sac without a yolk sac.
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
|Absence of embryo with heartbeat at least 11 days after an ultrasound scan that showed a gestational sac with a yolk sac.
|Absence of embryo with heartbeat 7–10 days after a scan that showed a gestational sac with a yolk sac.
|<ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
|
| Absence of embryo at least 6 weeks after [[last menstrual period]].
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
|
| [[Amniotic sac]] seen adjacent to yolk sac, and with no visible embryo.
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
|
| Yolk sac of more than 7&nbsp;mm.
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|-
|
| Small gestational sac compared to embryo size (less than 5&nbsp;mm difference between mean sac diameter and crown-rump length).
| <ref name="Doubilet2013" />{{sfn|Hoffman|pages=173–4}}
|}