Maternity Women's sizes

Last updated: 14 January 2026 10:23

*Choose your Maternity size based on your pre-pregnancy size. All our styles have been designed with extra room added for your bump to grow.

UK Size*	UK Size*	Bust at widest		Bump circumference (up to)		Lower hip		EU size	USA size
UK Size*	UK Size*	cm	ins	cm	ins	cm	ins	EU size	USA size
4	XS	78-82	31-32	87-91	34-36	85-89	33-35	32	0
6	XS	82-86	32-34	91-95	36-37	89-93	35-37	34	2
8	S	86-90	34-35	95-99	37-39	93-97	37-38	36	4
10	S	90-95	35-37	99-104	39-41	97-102	38-40	38	6
12	M	95-100	37-39	104-109	41-43	102-107	40-42	40	8
14	M	100-105	39-41	109-114	43-45	107-112	42-44	42	10
16	L	105-111	41-43	114-120	45-47	112-118	44-46	44	12
18	L	111-117	44-46	120-126	47-49	118-124	47-49	46	14
20	XL	117-122	46-48	126-131	50-52	124-129	49-51	N/A	N/A
22	XL	122-127	48-50	131-136	52-54	129-134	51-53	N/A	N/A
24	N/A	127-133	50-52	136-142	54-56	134-140	53-55	N/A	N/A
26	N/A	133-139	53-55	142-148	56-58	140-146	55-57	N/A	N/A

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