Historical clue formulations

• Test an OB may perform in the second trimester — 2026-01-12
• Prenatal diagnostic, in brief — 2024-08-28
• Procedure performed by an OB — 2024-04-25
• Prenatal test, for short — 2021-05-18
• Prenatal test, for short — 2021-01-11
• Prenatal procedure, informally — 2020-03-30
• Prenatal test, for short — 2016-10-26
• Fetal development test, for short — 2015-03-05
• Certain DNA test — 2014-02-15
• Ob/gyn test — 2010-11-10
• Prenatal exam, briefly — 2010-03-17
• Prenatal test, for short — 2009-02-25
• Prenatal test, for short — 2005-09-27
• Obstetrician's job — 2004-11-27
• Obstetric test, for short — 2004-05-06
• Job for an ob/gyn — 2000-02-04
• Procedure during pregnancy, for short — 1995-08-27