Female fertility
Proximal blockage on HSG is sometimes caused by spasm or debris rather than true obstruction, so it may be re-tested or assessed at laparoscopy. Selective tubal cannulation can open some genuine blockages; otherwise IVF bypasses the tubes.
Also known as: cornual blockage, tubal spasm
Related Canada guides
Sources
- Society of Obstetricians and Gynaecologists of Canada (SOGC) patient information
Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.