How long it takes to undergo in vitro fertilization in Chengdu depends on many factors, including the type of in vitro fertilization, the steps of in vitro fertilization, and the patient's personal situation. Generally speaking, it takes about one to two weeks to go to Chengdu for IVF from other places. The specific time depends on the type of IVF selected and the specific process.

1. Make an appointment at the reproductive medicine laboratory: After confirming the need for in vitro fertilization, you need to make an appointment at the reproductive medicine laboratory. This usually takes several days.

2. Examination and Diagnosis: After making an appointment with the reproductive medicine laboratory, examination and diagnosis are required. This usually takes several days.

3. Drug allergy test: After completing the examination and diagnosis, you need to undergo a drug allergy test. This usually takes several days.

5. In vitro surgery: After completing the preparations for surgery, in vitro surgery is required. This usually takes several days.

6. Rest after surgery: After completing the IVF surgery, you need to rest for a few days. This usually depends on the type of surgery and your doctor's recommendations.