Please assess the completion status of the following clinical trial:

Trial Title: Pituitary Down-regulation Before IVF for Women With Endometriosis

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~Participant is willing and able to give informed consent for participation in the study.~* Female aged 18 to 39 years old.~* Intending to undergo treatment with a first, second or third cycle of IVF or IVF-ICSI.~* Diagnosed with any degree of endometriosis or endometrioma.~* Participants must meet World Health Organisation Group 1 or 2 eligibility requirements for Combined Oral Contraceptive use.~Exclusion Criteria:~The participant does not understand the English language, or has special communication needs. This is because it is impractical to provide, for this small scale study, information sheets and consent forms in other languages except English.~* The patient has already undergone 3 or more IVF or IVF-ICSI cycles.~* Patients who are already taking any medication to treat endometriosis such as progestins, OCP, Gonadotrophin Releasing Hormone agonists, danazol, mirena, etc. or who have done so within the last 3 months.~* Participants who do not meet World Health Organisation Group 1 or 2 eligibility requirements for Combined Oral Contraceptive use.

- Gender: FEMALE
- Minimum Age: 19 Years
- Maximum Age: 39 Years
- Healthy Volunteers: f

Study Arms:
- Group 1 OCP (Type: EXPERIMENTAL): Combined oral contraceptive pill (OCP) (Microgynon 30) containing Levonorgestrel/Ethinylestradiol 150/30mcg. Taken orally on a continuous regime for 8 weeks, once a day.
- Group 2 Control (Type: NO_INTERVENTION): Control Group - no intervention

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