No. There is no scientific evidence that high doses of vitamin c are associated with an increased risk of miscarriage. It is not recommended that any pregnant woman take medications or vitamin supplementation without discussing this with their obstetrician.
Period late by a week, no pregnancy symptoms, 2 negative tests (clearblue digital) taking high dose vitamin c can that effect test or could I be preg?
Pregnancy unlikely. Home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, vaginal spotting, or medications. A test gives a reliable result 3 weeks after sex (3 weeks after when conception might have happened) or 1 week after missing a period. If done sooner, a negative result may be due to testing too early such as less than 2 weeks after conception. Read more...