Thanks for writing to us.
Yes you can use calcium carbonate
in place of Corcium. Regarding the DHA
supplement, there are many other preparations like Ma DHA or folimust-D, etc. You can ask for a prescription for these from your gynecologist.
I hope this information has been both informative and helpful for you. You can consult me again directly through my profile URL http://bit.ly/Dr-Rakhi-Tayal
Dr. Rakhi Tayal