{"id":205,"date":"2015-05-21T05:00:24","date_gmt":"2015-05-21T05:00:24","guid":{"rendered":"http:\/\/depts.washington.edu\/usrad\/?page_id=205"},"modified":"2026-04-30T13:23:10","modified_gmt":"2026-04-30T20:23:10","slug":"obstetric","status":"publish","type":"page","link":"https:\/\/depts.washington.edu\/usrad\/guidelines\/obstetric\/","title":{"rendered":"Obstetric US Guidelines"},"content":{"rendered":"

OB Critical Findings<\/a><\/p>\n

–<\/p>\n

First Trimester Lexicon Consensus 2024 – Tables<\/a><\/p>\n

First Trimester Lexicon Consensus 2024 – Full Article<\/a><\/p>\n

–<\/p>\n

ACOG OB Redating Criteria<\/a><\/p>\n

–<\/p>\n

AIUM 2nd Trimester Detailed Anatomy Practice Parameters Image Library\u00a0<\/a><\/p>\n

AIUM 1st Tri Detailed Anatomy Practice Parameter Image Library<\/a><\/p>\n

A pictorial guide for the second trimester ultrasound<\/a><\/p>\n

Fetal Echo Guidelines<\/a><\/p>\n

–<\/p>\n

MFM Fellows – Optional Competency<\/a><\/p>\n

MFM Fellows – Core Competency<\/a><\/p>\n

–<\/p>\n

Indications for Detailed Anatomy Scan<\/a><\/p>\n

OB Ultrasound Service Charge Requirements<\/a><\/p>\n

–<\/p>\n

Placenta Variations<\/a><\/p>\n

Long Bones and Organ Sizes<\/a><\/p>\n

OB Values Cheat Sheet<\/a><\/p>\n

NT Likelihood Ratio Chart<\/a><\/p>\n

Urinary Tract Dilation (UTD) Classification<\/a><\/p>\n

Umbilical Artery SD Ratio Chart<\/a><\/p>\n

Estimated Fetal Weight Formula and Chart<\/a><\/p>\n

–<\/p>\n

Obstetric Doppler Guidelines<\/a><\/p>\n

3VV\/3VT<\/a><\/p>\n

Fetal Situs Assessment<\/a><\/p>\n

Biometry Guidelines for Re-datin<\/a>g<\/a><\/p>\n

Stomach Bowel for Gastroschisis<\/a><\/p>\n

Fetal Echo Guidelines<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

OB Critical Findings – First Trimester Lexicon Consensus 2024 – Tables First Trimester Lexicon Consensus 2024 – Full Article – ACOG OB Redating Criteria – AIUM 2nd Trimester Detailed Anatomy Practice Parameters Image Library\u00a0 AIUM 1st Tri Detailed Anatomy Practice Parameter Image Library A pictorial guide for the second trimester ultrasound Fetal Echo Guidelines –…<\/p>\n

Read more<\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"parent":13,"menu_order":10,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":"","iawp_total_views":1001},"acf":[],"_links":{"self":[{"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/pages\/205"}],"collection":[{"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/comments?post=205"}],"version-history":[{"count":34,"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/pages\/205\/revisions"}],"predecessor-version":[{"id":3238,"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/pages\/205\/revisions\/3238"}],"up":[{"embeddable":true,"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/pages\/13"}],"wp:attachment":[{"href":"https:\/\/depts.washington.edu\/usrad\/wp-json\/wp\/v2\/media?parent=205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}