Early cravings

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Just found out I am pregnant again after miscarriage, about 5 weeks which I guess explains the 3+ weeks of cramps I have been craving and being drawn to and away from certain foods? Anyone else get cravings early? Last pregnancy I craved apples and baby carrots and would throw up any time I had something with a lot of sugar... Which is weird because I have a major sweet tooth... This time around (so far) it is all about avocado and apples.