The effectiveness of flow cytometric sorting of human sperm (MicroSort®) for influencing a child’s sex

Table 4 Pregnancy (PR) and spontaneous miscarriage (SAb) rates by female age for cycles in which flow cytometrically sorted human sperm were used for IVF/ICSI

Age^a (yr)	Cycles (n)	Donor cycles (n)	Clinical pregnancies (n)	PR per cycle (%)^b	SAb (n)	Clinical loss (%)
<30	334	173	146	43.7	11	7.5
30-34	822	46	278	33.8	23	8.3
35-39	1434	5	374	26.1	43	11.5
>39	163	5	31	19.0	4	12.9
Unconfirmed	204	201	82	40.2	12	14.6
All Cycles	2957	427	911	30.8	93	10.2

^aAge of egg source at time of procedure (wife or egg donor, if used).
^bStatistically significant decrease with increasing age (p < 0.0001), excluding unconfirmed age.

ISSN: 1477-7827