Plasma levels of unconjugated estetrol and estriol and of total estriol in normal human pregnancy. 1979

L Gualandi, and L Modelli, and G Maurizio, and M Filicori, and G Bolelli

The course of normal pregnancy in 54 patients was monitored by weekly assays of Unconjugated Estriol (E3U), Total Estriol (E3T) and Unconjugated Estetrol (E4U). These subjects were divided into two groups: one of those patients who delivered a fetus with a weight above the 50th percentile and the other of those who delivered a fetus with a weight below the 50th percentile. No significant difference was found between these two groups and it is not therefore possible to have information regarding the weight of the fetus, starting from the weekly values of these hormones. Analogous variations of the three hormones were found as pregnancy progresses. However, the rate of increase for E4U was higher than for E3T and E3U.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D004953 Estetrol A metabolite of ESTRIOL with a 15-alpha-hydroxyl group. Estetrol can be converted from estriol sulfate or DEHYDROEPIANDROSTERONE SULFATE by the fetal-placental unit. 15 alpha-Hydroxyestriol,15-alpha-Hydroxy-Estriol,15 alpha Hydroxy Estriol,15 alpha Hydroxyestriol
D004964 Estriol A hydroxylated metabolite of ESTRADIOL or ESTRONE that has a hydroxyl group at C3, 16-alpha, and 17-beta position. Estriol is a major urinary estrogen. During PREGNANCY, a large amount of estriol is produced by the PLACENTA. Isomers with inversion of the hydroxyl group or groups are called epiestriol. (16alpha,17beta)-Estra-1,3,5(10)-Triene-3,16,17-Triol,(16beta,17beta)-Estra-1,3,5(10)-Triene-3,16,17-Triol,16-alpha-Hydroxy-Estradiol,16alpha,17beta-Estriol,16beta-Hydroxy-Estradiol,Epiestriol,Estra-1,3,5(10)-Triene-3,16beta,17beta-Triol,Ovestin,16 alpha Hydroxy Estradiol,16alpha,17beta Estriol,16beta Hydroxy Estradiol
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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