One side of the fallopian tube is blocked to get pregnant, you can do ultrasound to monitor the follicles, choose to have intercourse in the clear side of the ovulation, to increase the probability of pregnancy, but also can be blocked fallopian tubes to dredge, after the clearing can be normal preparation for pregnancy.
As the ovaries are alternating in ovulation, if one side of the fallopian tube is blocked and the other is open, you can still get pregnant, you can go to the hospital for follicle monitoring, and have intercourse when there is ovulation on the side of the open fallopian tube, which is conducive to pregnancy.
It is also possible to unblock the blocked fallopian tubes, usually through laparoscopy for tuboplasty, after the tubes are clear, you can prepare for pregnancy.
It is recommended to eat a healthy diet, quit smoking and drinking, exercise properly and relax when preparing for pregnancy.