What is a trigger shot for IVF?

Trigger shot performs a critical function in IVF treatment. The aim of an IVF trigger shot is to send the eggs into a state of reproductive cell division known as meiosis. Additionally, eggs start maturing during the 36-hour length before ovulation or oocyte retrieval. The timing and efficiency of this method determine the quality of eggs to be retrieved.  It helps in embryo advent and the final results of the cycle. When it involves ovulation induction for IVF treatment, we should select and implement the trigger shot with utmost care. It is one of the most important choices a doctor must make because it significantly affects the success rate of the IVF cycle.

The trigger injection or ‘trigger shot’ as it’s also known, is a hormone injection. It is utilized in fertility treatment and usually consists of a hormone known as human chorionic gonadotropin, or u -HCG. It is HCG which triggers a follicle to mature and release the egg. In maximum cases the trigger shot needs to be taken 36 hours earlier than egg collection, or an afternoon and a ½ day prior. The trigger shot timing is in synchrony with the improvement of follicles.It has to be completed when a good range of follicles have grown to their greatest size. Under or overdeveloped eggs have a decreased risk of conception success.

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