Methadone usage? affect sperm/fertility? Travel to another country? ie customs?

Sorry folks it's me again :)
Does 2 & half years of methadone use affect the sperm? and how? and fertility? more precisely....would our baby be healthy?
We are also planning a holiday, he is on 70 ml methadone a daylight, would he be allowed to take it abroad? perhaps stipulation a doctors note?
Sorry to ask, but I know nothing...this is a fairly latest relationship, although we have known each other for 15 years......
Thanks surrounded by advance...again
Answers:
you can take 500mgs of methadone abroad as long as it is prescribed.
methadone alone should not affect the sperm count, though it can effect ejaculation. newborn will be healthy, if it is just dad. if mum takes it as all right baby may need help next to withdrawals, but will be fine.
if it is a new relationship take your time beside getting pregnant.

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