Three OB-GYNs -- Alane Park, Yvonne Bohn and Allison Hill -- juggle the pressing demands of their careers while raising young children.

Nina, 40 years old, is still coping with the trauma of two miscarriages -- most likely caused by a chromosomal abnormality. Nina anxiously anticipates the birth of her second daughter as she continues to pray that nothing goes wrong.

The high-risk pregnancy of Lizeth, an insulin-dependent diabetic mother carrying twins, is further compromised by her noncompliance with doctor's orders. Dr. Yvonne Bohn sounds a warning that she and her babies are all in potential danger.

Allison helps first-time mother Tania preserve her pregnancy when pre-term labor strikes way too soon. And after a series of miscarriages, 28-year-old Stacie gets pregnant again but develops gestational diabetes, impacting her chances for a healthy birth.

While battling cervical cancer and the looming threat of a hysterectomy, Terri decides she still wants baby number two. Meanwhile, first-time mom Amanda is diagnosed with cervical incompetence and confined to strict bed-rest.

Although she's been using birth control, Kristianne winds up pregnant with her third child at just 22. Meanwhile, second-time mom Maria, a nurse at Good Sam, struggles to accept the news that her baby isn't growing on schedule.

A cancer survivor's due date is fast approaching but her large baby makes a natural delivery risky. A mother of two prepares for her third delivery but bleeding lands her in the hospital. A resident in OB/GYN training prepares for delivery.