i wanted to wish you all loads of luck and best wishes whatever path you choose. i have a family friend who tried for many many years to fall pg (unexplained IF) and she fell pg with her DD while using the Sharkey's formula.
Smiles, i so hope and it 'smiles' on your again and you have your dream come true. keep us up to date with your progress if you would like
lulu, your inquiring mind will bring you many new avenues and possibilities - big

xx