Patient Care

Pregnancy Dermatoses

What are Skin Disorders in Pregnancy?

Due to hormonal changes during pregnancy, the skin undergoes several physiological changes. Inflammatory and autoimmune conditions can also rarely develop during pregnancy.

Skin around the nipple and genital becomes dark and a dark line develops in the middle of the abdomen (called Linea Nigra).

There may be purplish to pink streaks along the abdomen as the baby grows in the womb because of the stretching of the skin. These are called Striae.

Some women also develop pigmentation on the face (melasma).

Pruritic and Urticarial Papules and Plaques of Pregnancy (PUPPP)

Also known as polymorphic eruption of pregnancy. It is a relatively common skin disorder that occurs in women of childbearing age. It usually presents in women during their first pregnancy. It is characterised by an itchy rash that commonly begins on the abdomen, particularly within stretch marks (striae). It most usually develops during late pregnancy (third trimester) but can also start immediately after the baby is born. It commonly spreads on the trunk, lower abdomen, under the breasts and limbs. The face, scalp and mucous membranes (mouth and genital area) are hardly ever affected. Small blisters are sometimes present. The baby is unaffected in this condition.

Pemphigoid Gestationis

Pemphigoid gestationis is a rare skin blistering disorder that occurs in women. Pemphigoid gestationis is an auto-immune blistering disease. This means that the mother's immune system starts reacting against her own skin causing the skin to split and form blisters.

What are the signs & symptoms of Skin Disorders in Pregnancy?

Itching is common and the rash often starts around the umbilicus. It starts with urticarial wheals (like hives from nettles) and large raised red patches (plaques) commonly occurring on the trunk, back, buttocks and limbs. Large tense blisters then occur on the red patches within 1-2 weeks, and may also occur on palms and soles. The blisters contain clear fluid though occasionally this can be blood-stained. The blisters usually heal without scarring.

Occasionally the baby will develop a blistering rash following delivery due to transfer of the mother’s antibodies across the placenta. The rash can last up to 6 weeks until the mother’s antibodies are cleared from the baby’s system. The baby is at increased risk of premature delivery and may be relatively small as compared to a normal full term baby.

Pemphigoid Gestationis

Pemphigoid Gestationis usually presents in the second trimester as an itchy rash that develops into blisters. It may recur in subsequent pregnancies.

See your doctor if:

  • You're so uncomfortable with the condition that it affects your quality of life
  • There is widespread involvement
  • There are multiple tense blisters
What are the treatment options for Skin Disorders in Pregnancy?

The primary aim of treatment is to relieve itching and to reduce inflammation and redness in the skin. Direct soothing agents can help to relieve itching and soreness. These include cool baths, wet soaks and wearing cotton clothes. Bath emollients and soap substitutes followed by emollient creams or ointments can also be applied. Topical steroid creams are often prescribed and are safe to use during pregnancy. Oral antihistamines (only those suitable for use during pregnancy) can be used to relieve itching. Rarely, if the condition is very severe, oral steroids may be prescribed after discussion with the obstetrician.

Pemphigoid Gestationis

The primary aim of treatment is to relieve itching, prevent blister formation, and treat any secondary infection. Steroid creams can be applied to the affected areas of skin. Dressings can be applied to weepy or raw areas of skin. Emollient creams or ointments can also be applied to reduce itching and soothe sore areas. Oral antihistamines (those suitable for use during pregnancy) can be used to relieve itching. Oral steroid tablets may be needed to control the blisters and itching. Occasionally other medications which are immunosuppressants may be used if the condition is severe or does not respond to treatment with steroids. These would be used in consultation with the obstetrician.

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