A women's fertility starts to decline after she gets to 30. This reduction in fertility is reflected in a similar gradual increase in the FSH hormone. Rising levels of FSH tend to be associated with reduced fertility. Features: measures level of FSH (follicle stimulating hormone). Convenient in stream test. 99% accurate and simple to use. Use in the privacy of your own home. Available with two tests. ECOstrip designed and manufactured to reduce the use of non biodegradable plastic. TGA Registered Class 2 Medical Device.