Please assess the completion status of the following clinical trial:

Trial Title: Moderate-to-vigorous Physical Activity for Glycemic Control in Patients With Gestational Diabetes Mellitus

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* gestational diabetes mellitus~* singelton pregnancy~* 18 years old or older~* no medical contraindications to exercise~Exclusion Criteria:~* multiple gestation~* non-English speaking~* unable to exercise~* preexisting diabetes

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Moderate-to-vigorous intensity exercise (Type: EXPERIMENTAL): Moderate-to-vigorous intensity exercise three times per day for three weeks

Based on this trial design, predict the completion outcome and termination type (if applicable).