with my Ist ivf 5 eggs was retreived and only one reached to blastochist

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with my Ist ivf 5 eggs was retreived and only one reached to blastochist.it was day 5 transfer and I was pregnant for 7 weeks then I had a miscarriage.2nd ivf with the medication compare to my Ist ivf I was not feeling any action.only 1 egg was retrieved and day 3 transfer it was failed again.