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Hello, I'm Dr Manos. HGH has been known about for more than forty years and has not been implicated in causing cancers however if a cancer is present it can accelerate it. In your case I imagine by your age there isn't something lurking in with your family history. For pregnancy it is category B so birth defects would be unlikely. I've been supportive of HGH although it has effects on carbohydrate metabolism and can confuse management of diabetes.
You might consider BRCA gene testing that increases risk for cancers particularly breast and ovary
Theoretically, if you have a mutation CDKN1B then there is a deficiency in factors that regulate cell growth. I think a genetic counselor could be of value as there a positive input from HGH to cell growth and repair. Using HGH has had its pros and cons. In your case might be wise to avoid HGH