Ongoing twin pregnancy after rescue intracytoplasmic sperm injection of unfertilized abnormal oocytes.
OBJECTIVE
To report a case of an ongoing twin pregnancy resulting from rescue intracytoplasmic sperm injection (ICSI) after failed fertilization of morphologically abnormal oocytes.


METHODS
Case report.


METHODS
Tertiary center for assisted reproductive technology (ART).


METHODS
A 28-year-old woman with primary infertility due to tubal obstruction.


METHODS
Rescue ICSI after failed IVF insemination.


METHODS
Clinical pregnancy.


RESULTS
Successful ongoing twin pregnancy.


CONCLUSIONS
With failed fertilization of oocytes with abnormal morphology after IVF, early rescue ICSI may increase the fertilization rates and result in an ongoing pregnancy.
Esfandiari
Navid
N
Toronto Centre for Advanced Reproductive Technology (TCART), Toronto, Canada. nesfand@excite.com
Claessens
E Anne
EA
Burjaq
Hasan
H
Gotlieb
Lynda
L
Casper
Robert F
RF
D000328:Adult; D004624:Embryo Transfer; D005184:Fallopian Tube Diseases / Q000150:complications* / Q000473:pathology / Q000628:therapy; D005260:Female; D005307:Fertilization in Vitro; D005865:Gestational Age; D006801:Humans; D007247:Infertility, Female / Q000209:etiology / Q000473:pathology / Q000628:therapy*; D054315:Oocyte Retrieval; D009865:Oocytes / Q000473:pathology*; D010062:Ovulation Induction; D011247:Pregnancy; D011272:Pregnancy, Multiple; D020554:Sperm Injections, Intracytoplasmic; D017211:Treatment Failure; D014427:Twins