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

See estriol.

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).
EXERCISE converts one of our weak male hormones to the weak female hormone, oestriol, but every little helps, so every menopausal woman should exercise.
The levels of human chorionic gonadotropin, unconjugated oestriol and alpha-fetoprotein (triple markers) are significantly lower in pregnancies with trisomy 18 compared to normal pregnancy.
Oestrogen antagonisms: the effects of oestriol and 16-epi-oestriol on oestrone-induced uterine growth in spayed rats.
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.
Maternal serum unconjugated oestriol and human chorionic gonadotrophin in pregnancies with insulin-dependent diabetes: implications for Down's syndrome screening.
Second trimester maternal serum human chorionic gonadotropin and unconjugated oestriol levels in blacks and whites.