Please assess the completion status of the following clinical trial:

Trial Title: Improving the Pregnancy Rate With Endometrial Sampling Before Intrauterine Insemination

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~1. All women undergoing superovulation with gonadotrophins and intrauterine insemination.~2. All women with cervical factor, mild male factor and/or unexplained infertility.~3. At least one patent Fallopian tube.~Exclusion Criteria:~1. Bilateral tubal disease~2. Severe male factor infertility~3. Intrauterine pathology (submucosal fibroid, endometrial polyp, adhesions)~4. Women with positive cervical culture and/or acute vaginal infection

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

Study Arms:
- 1 (Type: NO_INTERVENTION): Group 1 patients will receive standard superovulation-IUI treatment without endometrial sampling
- 2 (Type: ACTIVE_COMPARATOR): Group 2 patients will receive standard superovulation-IUI treatment with endometrial sampling performed in the preceding cycle. It will be done in the follicular phase not later than day 10 of the cycle

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