Often increased
7- Alpha-Fetoprotein (Maternal Serum, Pregnancy 15-18 Weeks)Reference range exampleAdult ( > 16y), Female: 12–155 ng/mLLinked diagnostic tests1Alpha-Fetoprotein (AFP, Serum AFP
- Fern Shaped CrystalsReference range exampleAdult ( > 16y), Female: 0–1 Not PresentLinked diagnostic tests1Amniotic Fluid Ferning Test
- Human Placental Lactogen (HPL, Pregnancy Weaks 25 to 30)Reference range exampleAdult ( > 16y), Female: 2,300–6,100 µg/LLinked diagnostic tests1Human Placental Lactogen Concentration (hPL, Chorionic Somatomammotropin)
- Human Placental Lactogen (hPL, Pregnancy Weaks 31 to 35)Reference range exampleAdult ( > 16y), Female: 3,800–8,800 µg/LLinked diagnostic tests1Human Placental Lactogen Concentration (hPL, Chorionic Somatomammotropin)
- Human Placental Lactogen (hPL, Pregnancy Weaks 36 to 40)Reference range exampleAdult ( > 16y), Female: 4,900–8,600 µg/LLinked diagnostic tests1Human Placental Lactogen Concentration (hPL, Chorionic Somatomammotropin)
- Pregnanediol (Urine)Reference range exampleInfant (0 - 1y): 0–0.1 mg/24hrs; Adult ( > 16y), Female: 0–10.5 mg/24hrsLinked diagnostic tests1Urine Pregnanediol Concentration (24 Hour)
- Thyroxine Binding Globulin (TBG, Thyroid Binding Globulin, Blood)Reference range exampleInfant (0 - 1y), Female: 1.7–3.6 mg/dL; Infant (0 - 1y), Male: 1.6–3.5 mg/dLLinked diagnostic tests1Thyroxine Binding Globulin Concentration (TBG, Thyroid Binding Globulin