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The ligaments that support the uterus will stretch and with this stretching may cause mild cramps. 3. Miscarriage-Cramping during early pregnancy, especially accompanied by spotting or bleeding, is a warning sign of a possible miscarriage.
Cramping, which may be felt during the first weeks of pregnancy, have several parameters that must be known: 1  Duration: cramps are usually brief spasms, which last for several seconds, minutes or for a couple of hours maximum; sometimes they may stop for a few days and then appear once more.