You can take a look at the fees and charges listed in these site for an estimation of the cost:
http://euyansangclinic.com/fees
(Heritage offers a Fertility Management Programme, as listed)
http://heritage.com.sg/clinic/womans-wellness-programme
Their general consultation is around $25-$30.
With TCM treatment, the process will take a while as it takes time for the body to regain balance. Also, it is important to follow what the practitioner suggests.