question: hi,i m 30 yrs old,having a 7yrs son.i m trying to concieve for 2 yrs,but failed.my lmp is13 march.doc gave me inj Hcg 10000ic on 27 march and from 29 mar onwards i m using susten vt 200 every night.when shoud i discontinue susten vt and when should i do pregnency test?