Please assess the completion status of the following clinical trial:

Trial Title: Detecting Early Onset Pre-eclampsia and Use of Placental Growth Factor (PlGF) for Marker of Trisomy 21

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: COHORT
- Primary Purpose: None
- Time Perspective: PROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Singleton pregnancy~* Nulliparous pregnancy~* Gestation age between 6.0-13.6 weeks by last menstrual period verified by ultrasound~* Blood sample provided at gestational age 6.0-13.6 weeks~* Informed Consent~Exclusion Criteria:~* Multi-fetal pregnancy~* Primiparous or multiparous pregnancy~* Mental retardation or other mental disorders that impose doubts regarding the true patient's willingness to participate in the study~* Gestation age below 6.0 or above 13.6 weeks by last menstrual period verified by ultrasound.~* Lack of blood sample at the specified enrollment period~* Known major fetal anomaly or fetal demise~* Lack of demographic data

- Gender: FEMALE
- Minimum Age: 18 Years
- Maximum Age: 45 Years
- Healthy Volunteers: t

Study Arms:
- study group (Type: None): patients coming to clinique OVO in the 1st trimester of pregnancy to undergo prenatal screening

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