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You have not mentioned anything about status of left tube. If left tube is patent n normal still u can conceive by natural try/IUI. Ultrasound
monitoring for growth of egg will be required because if only left tube is patent then ovulation from left ovary only( not right ovary ) will be fruitful and you can try for pregnancy
is known to cause infertility
( it interferes with implantation
of embryo ) even when you are undergoing IVF. So ideally it has to be treated before you attempt for pregnancy ( naturally/IUI/IVF). If both the tubes affected by hydrosalpinx then IVF is the treatment of choice. Take care .