Overview

Assisted Reproductive Technology Success Rates according to Age Category
January 5 - December 29, 2003

**Age category I (25-34 years)**
	IVF / ET	Micro- fertilization	G(Z)IFT	Frozen embryo transfer
Pregnancy rates (per cycle)	48%	57%	47%	47%
Miscarriage rates	18%	19%	10%	11%
Multiple pregnancy rates	18%	20%	5%	8%

**Age category II (35-40 years)**
	IVF / ET	Micro- fertilization	G(Z)IFT	Frozen embryo transfer
Pregnancy rates (per cycle)	25%	28%	34%	38%
Miscarriage rates	19%	17%	12%	13%
Multiple pregnancy rates	14%	18%	4%	6%

**Age category III (over 41 years)**
	IVF / ET	Micro- fertilization	G(Z)IFT	Frozen embryo transfer
Pregnancy rates (per cycle)	*	12%	31%	21%
Miscarriage rates	*	31%	16%	15%
Multiple pregnancy rates	*	14%	6%	5%

* Microfertilization was performed for all patients over 40 years of age.

Copyright(C) 2005 St. Mother Hospital. All Rights Reserved.