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[DOI] [PMC free article] [PubMed] [Google Scholar] 14.Wang H, Li L, Qin LL, Song Y, Vidal-Alaball J, Liu TH

Going 5 days one week and 10 days the next creates fluctuating blood levels that can worsen side effects and reduce effectiveness

Thus, by administering HCG supplementation, the pregnancy could be sustained (3) (4)

United States Pharmacopeia and National Formulary
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