Hypermobility and EDS in Pregnancy

Start with the honest caveat

There is no NICE guideline and no RCOG Green-top Guideline specifically on hypermobility or the Ehlers-Danlos syndromes in pregnancy. That absence is worth stating rather than papering over, because it explains why advice varies so much between clinicians and why so much of what circulates online is personal experience rather than evidence. What follows is built from the guidance that does exist: the NHS condition pages, RCOG's patient information on pelvic girdle pain and on physical activity, and the general antenatal and intrapartum guidelines.

The NHS describes joint hypermobility syndrome as having joints that move beyond the normal range, with pain and stiffness, and describes the Ehlers-Danlos syndromes as a group of inherited conditions affecting connective tissue, with different types behaving very differently. That last point is the one that matters most in pregnancy.

Which type you have changes the answer

Most people reading this will have hypermobility spectrum disorder or hypermobile EDS, where the main pregnancy issues are pain, fatigue, and joint instability. The clinical picture is uncomfortable and sometimes disabling, but it is not a high-risk obstetric condition in itself.

Vascular EDS is different. The NHS pages on the Ehlers-Danlos syndromes describe vascular EDS as the type affecting blood vessels and internal organs, with a risk of them splitting. In pregnancy this is a genuinely high-risk condition requiring specialist maternal medicine and vascular input, planned in advance, and none of the general advice on this page substitutes for that. If you have a confirmed vascular EDS diagnosis, or a family history of arterial rupture or organ rupture, say so at your very first appointment.

Classical EDS and the rarer types sit between the two. The practical step is to find out which type you have been diagnosed with, and whether that diagnosis was genetic or clinical, because your maternity team will ask and "hypermobility" alone does not answer it.

Why pregnancy makes joints worse

Pregnancy loosens ligaments and shifts the centre of gravity forwards while adding weight, which would challenge any pelvis and challenges a hypermobile one more. The most common result is pelvic girdle pain, and it is worth treating as a specific diagnosis rather than as background discomfort.

RCOG's patient information on pelvic girdle pain and pregnancy makes the key point that this is treatable and that treatment is more effective started early. That means physiotherapy referral, assessment of how you move, advice on positions and activities that provoke symptoms, and equipment such as a support belt or crutches where they help. Waiting until you cannot walk before asking is the common mistake.

Other joints follow the same logic: shoulders and wrists that sublux, ribs that are painful with the expanding uterus, and knees that give way. Each has practical answers, and none of them is helped by being told that everyone aches in pregnancy.

Movement, not rest

RCOG's patient information on physical activity in pregnancy supports staying active in pregnancy for almost everyone, with sensible adaptation. For hypermobility that means controlled, low-impact, strength-focused movement rather than stretching into end-range positions, which is the instinct many hypermobile people have and the one most likely to make things worse. Pregnancy yoga and pilates classes that emphasise range of movement need adapting rather than avoiding; tell the instructor.

Water-based exercise is often the best-tolerated option because it unloads the joints, and walking in shorter, more frequent bouts usually beats one long walk.

Other symptoms that travel with hypermobility

Two common companions get worse in pregnancy and are often not connected to the hypermobility diagnosis by the person experiencing them.

Orthostatic symptoms. Dizziness on standing, palpitations and near-fainting are more common in hypermobile people and more common in pregnancy, so the combination can be marked. Practical management involves fluid and salt intake, compression, and changing position slowly, but new or severe symptoms still need assessing rather than assuming.

Gut symptoms. Reflux, bloating, slow transit and constipation are frequent in hypermobility and pregnancy amplifies all of them, particularly if you are on iron. This is worth raising because it is manageable, not because it is dangerous.

Labour and birth

Hypermobility does not on its own mean a caesarean, and it does not on its own mean a vaginal birth is harder. What it means is that positioning in labour deserves thought in advance: end-range hip abduction, prolonged lithotomy position, and being moved while an epidural is in place are the situations most likely to cause a joint injury that outlasts the birth. Ask for a note in your birth plan that positions should stay within your comfortable range and that you should be moved actively rather than passively.

NICE guideline NG121 asks for intrapartum care to be planned in advance where an existing medical condition is present, and NICE guideline NG201 sets the routine antenatal schedule into which these extra conversations fit. A physiotherapy assessment in the third trimester specifically covering birth positions is a reasonable thing to ask for.

After the birth

Ligaments do not return to their pre-pregnancy state immediately, and the postnatal months involve repeated lifting, carrying and feeding positions that provoke exactly the joints most affected. Pelvic girdle pain that has not settled by the postnatal check should be followed up rather than accepted, and pelvic floor physiotherapy is worth asking about directly.

Feeding positions are worth thinking about specifically, because hours a day in an unsupported posture will find every unstable joint you have. Supported side-lying, cushions under the arms and a chair that holds your back are not indulgences; they are the difference between a shoulder that settles and one that does not. Carrying equipment matters for the same reason: a sling that spreads weight across both shoulders and the hips usually beats carrying a baby on one hip for months.