| OV1 | OV#1 / 2.00 in. Oval pessary | |
| OV2 | OV#2 / 2.25 in. Oval pessary | |
| OV3 | OV#3 / 2.50 in. Oval pessary | |
| OV4 | OV#4 / 2.75 in. Oval pessary | |
| OV5 | OV#5 / 3.00 in. Oval pessary | |
| OV6 | OV#6 / 3.25 in. Oval pessary | |
| OV7 | OV#7 / 3.50 in. Oval pessary | |
| OV8 | OV#8 / 3.80 in. Oval pessary | |
| OV9 | OV#9 / 4.00 in. Oval pessary | |
| OVs1 | OVs#1 / 2.00 in. Oval pessary with support | |