Please assess the completion status of the following clinical trial:

Trial Title: Bleeding Pattern Difference Between Levonorgestrel Intrauterine System (LNG-IUS) and Copper Intrauterine Devices (IUDs) Immediately Inserted After Abortion

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:~* Reproductive women in good general health and requesting long-term contraception~* Applied the Cu-IUD or LNG-IUS immediately after first trimester surgical abortion~* History of regular cyclic menstrual periods~* Written ICF was obtained~Exclusion Criteria:~* Suspected septic abortion and incomplete abortion, as well as missed abortion~* The contraindications and warnings of the respective Summary of Product Characteristics of Mirena or prescribing information of Cu-IUDs must be followed

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

Study Arms:
- Group 1 (Type: None): The MIRENA intrauterine delivery system (initial release rate: 20 μg LNG /24 h)
- Group 2 (Type: None): Copper IUDs with different shape and with or without drugs

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