Calcium Supplements in Vegan pregnancy

Does anyone know of any vegan calcium supplements that are safe to take in pregnancy?

“Let your food be your medicine and let your medicine be your food.” – Hippocrates

Here are 15 foods that are high in calcium, ruthmillie: almonds, black-eyed peas, blackstrap molasses, bok choy, broccoli, collard greens, dried apricots, edamame, kale, okra, oranges, prunes, raspberries, spinach (cooked) and tofu

Minute Maid orange juice is fortified with extra calcium.

Take a look at this:
Whole vegan foods high in Calcium