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Oocyte Retrieval

Transvaginal oocyte / Egg retrieval (TVOR), also referred to as egg collection, is a technique used in in vitro fertilization (IVF) in order to remove oocytes from the ovary of the female, enabling fertilization outside the body. Transvaginal oocyte retrieval is more properly referred to as transvaginal ovum retrieval when the oocytes have matured into ova, as is normally the case in IVF .

When the follicles are mature (determined by ultrasound measurements of follicle size and hormone measurements), the egg aspiration procedure is done to take the eggs out.

We use short general anesthesia for the ovum pick up, making it a painless procedure for the patient.

For conducting egg retrieval, (Fig-6) a needle is passed through the top of the vagina under ultrasound guidance to get to the ovary and follicles. The fluid in the follicles is aspirated through the needle and the eggs detach from the follicle wall and are aspirated out of the ovary. The oocyte-cumulus complex is pulled from the follicle wall when fluid is aspirated through the needle.

Complete procedure may take around 30-45min depending on the number of eggs retrieved

The fluid with the eggs is passed to the IVF lab where the eggs are identified, rinsed in culture media, and placed in small drops in plastic culture dishes. The dishes with the eggs are then kept in specialized IVF incubators under carefully controlled environmental conditions.

Instructions for the patient undergoing Ovum pick at our center:

1. Prior to your Oocyte retrieval:

Based on the findings of follicle monitoring study patient will be asked to take a HCG injection at specified timings. You will be required to confirm OT booking by paying the required deposit through the form given by your doctor. Doctors and nurses will additionally guide you on detailed Do's & Don'ts for the procedure. Feel free to clarify any of your doubts.

2. Patient Instructions on the day of Ovum Pick up

  • Report to IVF department S1 building at your assigned time along with your husband.
  • Do Not Eat Or Drink Anything After Midnight.
  • When you arrive, please present your OT booking form to the IVF receptionist.
  • Please make sure to arrive without jewelry, nail polish, make-up, or contact lenses.
  • An informed consent for Anesthesia and Oocyte retrieval is taken.
  • IV line will be started and you will be taken to the OT room.
  • The procedure may last for 30-45 min approximately.
  • You will then be shifted to our IPD room on the 12th floor.
  • When the nurse feels that your condition is stable, you will be discharged in about 2-3 hours.
  • The Husband's sperms will be collected on the very same day at 7.30am in the morning or if any change is required they will be instructed accordingly.
  • The sperm sample is processed on the very same day and freezed if required.

After Ovum/Egg Pick up:

  • The patient will be advised a brief period of rest by the consultant. The patient will be transferred to our ward, where she can rest.
  • The discharge will then be given to the patient after a nursing staff assesses her clinical condition and finds it to be stable.
  • The bill settlement will be done then and the remaining amount (if any) will be kept as a balance in your account for future use.
  • Patients are not allowed to drive themselves home after retrievals.
  • Following your retrieval, you may eat or drink when you feel well enough.
  • If any medications are required, you will be instructed about the same.
  • If you experience nausea, stick to clear liquids and light biscuits until the nausea subsides.
  • It is usually best to avoid spicy foods for at least 24 hours.