oestriol


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es·tri·ol

(es'trē-ol),
An estrogenic metabolite of estradiol, usually the predominant estrogenic metabolite found in urine (especially during pregnancy); epimers at C-16, C-17, or both, are known as 16-epiestriol, 16,17-epiestriol, and 17-epiestriol.

oestriol

The weakest of the three natural human oestrogens; it only appears in significant amounts during pregnancy as it is produced by the placenta from 16-OH DHEA-S, an androgen produced by the foetal liver and adrenal glands.

Pronunciation
Medspeak-UK: pronounced, EE stree oll
Medspeak-US: pronounced, ESS tree oll

es·tri·ol

(es'trē-ol)
An estrogenic metabolite of estradiol, usually the predominant estrogenic metabolite found in urine (especially during pregnancy).
Synonym(s): oestriol.

oestriol

Estriol, an OESTROGEN used to treat infertility due to inadequate penetration of the cervical mucus by spermatozoa. A brand name is Ovestin.
References in periodicals archive ?
Variable results from AFP, phCG and unconjugated oestriol from four population groups in the USA, (Caucasian, Afro-Caribbean, Hispanic and Asian) were identified and although this variability did not bias screening for Down syndrome it was considered that higher normal values for serum AFP in Asian populations may have to use adjusted median values (30,46).
Low second trimester serum unconjugated oestriol in pregnancies with Down's syndrome.
Prospective intervention trial of a screening protocol to identify fetal trisomy 18 using maternal serum unconjugated oestriol and human chorionic gonadotrophin.
Risk-based prenatal screening for trisomy 18 using [alpha]-fetoprotein, unconjugated oestriol and human chorionic gonadotropin.
Second trimester maternal serum screening using alpha-fetoprotein, human chorionic gonadotrophin, and unconjugated oestriol: experience of a regional programme.
Screening for fetal Down syndrome with maternal serum hCG and oestriol: a prospective study.
Maternal serum unconjugated oestriol and human chorionic gonadotrophin in pregnancies with insulin-dependent diabetes: implications for Down's syndrome screening.
Human chorionic gonadotrophin and unconjugated oestriol measurements in insulin-dependent diabetic pregnant women being screened for fetal Down syndrome.
Second trimester maternal serum human chorionic gonadotropin and unconjugated oestriol levels in blacks and whites.