EstrogensAt a GlanceAlso known as:Estrogen fractions/fractionated; Estrone (E1); Estradiol (E2); Estriol (E3); (over 20 different forms of estrogen have been described) Formal name:Estrogens Related tests:FSH; LH; Progesterone; Testosterone; Second Trimester Maternal Serum Screening; SHBG Why Get Tested?To measure or monitor your estrogen levels if you are a woman who has unexplained abnormal menstrual cycles, abnormal or heavy bleeding, infertility, symptoms of menopause, or any other hormonal alterations; also used to test for fetal-placental status during early stages of pregnancy and to evaluate feminization, the presence of female-like characteristics in males
When to Get Tested?When you show symptoms of a hormone imbalance, abnormal vaginal bleeding, unusual and/or early sex organ development (female), or when your doctor wants to monitor the health of your placenta and fetus during pregnancy; when a man shows signs of feminization
Sample Required?A blood sample drawn from a vein in your arm, a 24-hour urine sample, or sometimes a fresh saliva sample
Test Preparation Needed?None
When to Get Tested?When you show symptoms of a hormone imbalance, abnormal vaginal bleeding, unusual and/or early sex organ development (female), or when your doctor wants to monitor the health of your placenta and fetus during pregnancy; when a man shows signs of feminization
Sample Required?A blood sample drawn from a vein in your arm, a 24-hour urine sample, or sometimes a fresh saliva sample
Test Preparation Needed?None