Menstrual Cups - Sizing table

Manufacturer's Sizing recommendations
 
Diva Cup
Femmecup
Keeper
Lady Cup
Lunette
Mooncup UK
Mooncup USA
Any Age
Had Vaginal Childbirth
2
1 size
A
L
2
A
A
Any Age
Not had Vaginal birth
n/a
1 size
B
n/a
n/a
n/a
B
               
Under 20
Not had sexual intercourse
1
1 size
B
S
1
B
B
Under 20
Had sexual intercourse
n/a
1 size
n/a
n/a
2
n/a
n/a
Under 25
Not given birth
1
1 size
B
S
n/a
B
B
Under 25
Have given birth
2
1 size
n/a
L
2
A
n/a
Under 30 Not given birth
1
1 size
B
n/a
n/a
B
B
Under 30 
given birth vaginally
2
1 size
A
L
2
A
A
Under 30 
given birth via caesarian
2
1 size
B
L
2
B
B
Under 30 
been pregnant
2
1 size
n/a
n/a
2
n/a
n/a
               
Over 30
2
1 size
B
L
2
A
B
Over 30
Not given birth
2
1 size
B
L
2
A
B
Over 30
given birth vaginally
2
1 size
A
L
2
A
A
Over 30 had 
non-vaginal birth
2
1 size
B
L
2
A
B
Diva 1=smaller, 2 = larger | Femmecup - 1 size | Keeper B=Smaller, A=larger | Lady Cup S=Smaller, L=Larger | Lunette 1=smaller, 2=larger | Mooncup B=smaller, A = larger