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Progesterona s茅rica - Overview

Nombres alternativos

Examen de progesterona en la sangre (suero)

Definici贸n:

Es un examen que mide la cantidad de progesterona en la sangre. La progesterona es una hormona producida principalmente en los ovarios.

En las mujeres, la progesterona juega un papel vital en el embarazo. Despu茅s de que los ovarios liberan un 贸vulo (ovulaci贸n), la progesterona ayuda a preparar el 煤tero para la implantaci贸n de dicho 贸vulo fecundado. 脡sta prepara a la matriz (煤tero) para el embarazo y las mamas para la producci贸n de leche.

Los hombres producen alguna cantidad de progesterona, pero probablemente no tiene una funci贸n normal, a excepci贸n de ayudar a producir otras hormonas esteroides.

Forma en que se realiza el examen:

Se necesita una muestra de sangre. Para obtener informaci贸n sobre la forma como se hace esto, ver el art铆culo: venopunci贸n .

Preparaci贸n para el examen:

El m茅dico puede recomendar que se suspendan los medicamentos que puedan afectar los resultados del examen. Los medicamentos que pueden interferir con el examen abarcan la progesterona y las p铆ldoras anticonceptivas.

Lo que se siente durante el examen:

Cuando se inserta la aguja para extraer la sangre, algunas personas experimentan algo de dolor, mientras que otras tan s贸lo sienten un pinchazo o sensaci贸n punzante. Posteriormente, puede haber algo de sensaci贸n puls谩til.

Razones por las que se realiza el examen:

Este examen se hace para:

  • Determinar si una mujer est谩 ovulando.
  • Evaluar a una mujer con abortos espont谩neos repetitivos, aunque otros ex谩menes diagn贸sticos y tratamientos se usan con m谩s frecuencia para este prop贸sito.
  • Determinar el riesgo de aborto espont谩neo o embarazo ect贸pico a comienzos del embarazo.
  • Reviewed last on: 6/2/2011
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Bellevue, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

Referencias

Fritz MA, Speroff L. Female infertility. Speroff L, Fritz MA, eds. Clinical Gynecologic Endocrinology and Infertility. 8th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2011:chap 27.

Fritz MA, Speroff L. Recurrent early pregnancy loss. Speroff L, Fritz MA, eds. Clinical Gynecologic Endocrinology and Infertility. 8th ed. Philadelphia, Pa: Lippincott Williams & Wilkins; 2011:chap 28.

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