Diff. between AD, BC, BCE & CE in historical dates?

The AD/BC and BCE/CE systems are the same when it comes to historical dates. AD/BC dates were used by Catholic historians in the Middle Ages, while BCE/CE was developed later to remove religious connotations. Both methods have supporters and critics, but the use of BCE/CE is still limited. In one sense, there really is no […]

Baby due dates: how accurate?

Doctors use due dates to monitor prenatal care and baby growth, but only 4% of women give birth on the actual delivery date. Due dates are calculated at 40 weeks from the start of a woman’s last menstrual cycle, but can be inaccurate due to differing cycle lengths. Secondborns tend to arrive earlier than firstborns. […]

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