New studies are shedding light on one of the biggest mysteries of human reproduction and what can be done to combat it.

Soft copper wire : 20 gauge ( wire diameter 0.8mm ) : 12cm ( about 5 inch) for each earring ( can be replaced with 22 gauge (0.6mm) wire for easy operation) 7 cm ( about 3 inch) for each french hook ...

In the video I use: 20 gauge (wire diameter 0.8mm): 2cm (0.8 inch), 2.5cm (1 inch) 26 gauge (wire diameter 0.4mm): 150cm (60 inch) crystal cone beads 4mm Flower chain bracelet with sparkling crystals ...