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Gonadotropina Corionica Umana HCG<\/h1>\n

L’alterazione del tasso di crescita dei livelli di hCG, insieme ad anomalie ecografiche, potrebbero indicare la presenza di anomalie che richiedono l’intervento medico. In altre occasioni, i livelli di hCG potrebbero essere pi\u00f9 alti dell’atteso durante la gravidanza e non diminuire al termine della stessa o dopo aborto. Nel caso in cui il test venga utilizzato come marcatore tumorale, livelli elevati di hCG possono indicare la presenza di un tumore a cellule germinali o GTT. I livelli di hCG risultano aumentati in presenza di malattia trofoblastica gestazionale e in alcuni tumori a cellule germinali (siano essi benigni che cancerosi). Pertanto, la misura dell’hCG viene considerata un utile strumento nella diagnosi e nel monitoraggio di questi tumori.<\/p>\n

Beta hCG: Cos\u2019\u00e8? Valori e Significato in Gravidanza<\/h2>\n

Solitamente, se effettuato in maniera corretta, il test di gravidanza ad uso domestico fornisce risultati sovrapponibili a quelli dei test di laboratorio urinari. I test effettuati su sangue sono invece caratterizzati da una maggiore sensibilit\u00e0; possono fornire risultati positivi quando i test urinari risultano ancora negativi. Tuttavia, se effettuato troppo precocemente, potrebbe fornire risultati falsamente negativi dovuti al momentaneo mancato raggiungimento di livelli di hCG rilevabili. Nel caso in cui si sospetti fortemente una gravidanza, \u00e8 opportuno ripetere il test dopo alcuni giorni. I livelli di hCG possono essere alterati anche nel caso in cui il feto risulti portatore di difetti cromosomici come quelli responsabili della sindrome di Down.<\/p>\n

Cosa sono le gonadotropine?<\/h3>\n