Table 1 Medical history timeline

Hemodialysis was initiated due to IgA nephropathy.

5 months after dialysis initiation

Her first pregnancy resulted in spontaneous abortion.

27 months after dialysis initiation

Embryo cryopreservation was performed.

8 months before transplantation

28 months after dialysis initiation

The patient was referred for kidney transplantation.

7 months before transplantation

35 months after dialysis initiation

ABO-incompatible living-donor kidney transplant using rituximab was performed.

25 months after transplantation

The patient was converted from mycophenolate mofetil to azathioprine.

15 months before pregnancy

32 months after transplantation

Frozen embryo transfer was performed during the hormone replacement cycle.

8 months before pregnancy

40 months after transplantation

She delivered a healthy baby but with a low birth weight.

3 years after childbirth

The patient is in good clinical condition with only mild renal insufficiency.