Created at 8 p.m. Mar, 13, 2026
Author: acornielle
Related Note: 1516246529110 1
Rationale for change

Fetal sex can be identified via ultrasound during the second-trimester fetal anatomy scan, which is typically performed between 18 and 22 weeks’ gestation. Although earlier identification is sometimes possible, the 18–22 week window provides the most reliable visualization of fetal genitalia due to more advanced organ development.
Source: AMBOSS - https://next.amboss.com/us/article/RN0lag?utm_medium=mcp_search_article_sections&utm_source=content-mcp&utm_campaign=7fb37a91#Yf883c14dc775c96eee21f1f0860378fa

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#AK_Step1_v12::^Systems::Reproductive::BGadds #AK_Step1_v12::#Bootcamp::Reproduction::01_Fetal_Development::01_Early_Development #AK_Other::^EXPN::BGadd #AK_Other::Only_Step_1 #AK_Step1_v12::#Low/HighYield::4-LowerYield #AK_Step1_v12::#Bootcamp::Reproduction::01_Fetal_Development::05_Sexual_Differentiation #AK_Step1_v12::#OME_banner #AK_Other::#AK_Original_Decks::Step_1::Zanki_Step_Decks::Zanki_Reproductive::Reproductive_Physiology_+_Anatomy/Embryo #AK_Step1_v12::#B&B::22_Repro::01_Embryology::03_Germ_Layers::Extra