The National Enquirer has reported that Jamie Lynn Spears will give birth to her baby sometime tomorrow.

Sources tell the Enquirer the 17-year-old had an ultrasound last week that revealed her baby possibly in the breech position, causing doctors to schedule a c-section for tomorrow.

This fits with reports that Jamie Lynn's popstar sister Britney has returned home to Kentwood to be with her during the birth.

Jamie Lynn's father and older brother joined Britney on a commercial flight out of LAX Wednesday morning.

Jamie Lynn and the baby's father, Casey Aldridge, are reportedly having a baby girl. The couple plans to name their daughter a combination of both their names - Cailynn or Cassie.

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