Polycystic ovary syndrome laboratory findings: Difference between revisions
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==Laboratory Findings== | ==Laboratory Findings== | ||
Measurement of the plasma levels of several hormones is helpful in supporting the diagnosis of PCOS and especially in excluding other disorders. Determining the LH/FSH ratio of 3:1 is virtually diagnostic of PCOS; however, a normal ratio does not exclude the diagnosis, as LH levels fluctuate widely throughout the course of a day. Other androgens are measured to screen for other virilizing adrenal tumors. Fasting blood glucose is measured to look for diabetes; screening for lipid abnormalities is also employed. Testosterone is measured to exclude a virilizing tumor. Prolactin is measured to exclude a prolactinoma. Thyroid-stimulating hormone (TSH) is measured to rule out hypothyroidism | |||
<ref>{{cite journal |author=Banaszewska B, Spaczyński RZ, Pelesz M, Pawelczyk L |title=Incidence of elevated LH/FSH ratio in polycystic ovary syndrome women with normo- and hyperinsulinemia |journal=Rocz. Akad. Med. Bialymst. |volume=48 |issue= |pages=131-4 |year=2003 |pmid=14737959 |doi=}}</ref> | <ref>{{cite journal |author=Banaszewska B, Spaczyński RZ, Pelesz M, Pawelczyk L |title=Incidence of elevated LH/FSH ratio in polycystic ovary syndrome women with normo- and hyperinsulinemia |journal=Rocz. Akad. Med. Bialymst. |volume=48 |issue= |pages=131-4 |year=2003 |pmid=14737959 |doi=}}</ref> | ||
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Overview
Measurement of the plasma levels of several hormones is helpful in supporting the diagnosis of PCOS and especially in excluding other disorders. Determining the LH/FSH ratio of 3:1 is virtually diagnostic of PCOS; however, a normal ratio does not exclude the diagnosis, as LH levels fluctuate widely throughout the course of a day. Other androgens are measured to screen for other virilizing adrenal tumors. Fasting blood glucose is measured to look for diabetes; screening for lipid abnormalities is also employed. Testosterone is measured to exclude a virilizing tumor. Prolactin is measured to exclude a prolactinoma. Thyroid-stimulating hormone (TSH) is measured to rule out hypothyroidism
Laboratory Findings
Measurement of the plasma levels of several hormones is helpful in supporting the diagnosis of PCOS and especially in excluding other disorders. Determining the LH/FSH ratio of 3:1 is virtually diagnostic of PCOS; however, a normal ratio does not exclude the diagnosis, as LH levels fluctuate widely throughout the course of a day. Other androgens are measured to screen for other virilizing adrenal tumors. Fasting blood glucose is measured to look for diabetes; screening for lipid abnormalities is also employed. Testosterone is measured to exclude a virilizing tumor. Prolactin is measured to exclude a prolactinoma. Thyroid-stimulating hormone (TSH) is measured to rule out hypothyroidism
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