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01.12.2011 | Case report | Ausgabe 1/2011 Open Access

Journal of Medical Case Reports 1/2011

Extensive hyperpigmentation during pregnancy: a case report

Journal of Medical Case Reports > Ausgabe 1/2011
Anthony Massinde, Salvatore Ntubika, Moke Magoma
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-5-464) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors' contributions

AM managed the patient and wrote the initial manuscript. ST performed the initial literature search. Both ST and MM reviewed the subsequent manuscripts and approved the final manuscript.



Skin hyperpigmentation is common during pregnancy and often is due to endocrinological changes. Usual patterns include linea nigra, darkening of areola and melasma. We report a rare diffused hyperpigmentation condition in a pregnant woman of dark colored skin.

Case presentation

A 19-year-old Tanzanian primigravida at 32 weeks gestation presented at our antenatal clinic concerned about an insidious but progressive onset of unusual darkening of her abdominal skin and both breasts. Her antenatal record was unremarkable except for this unusual onset of abnormal skin color. Findings from her physical examination were unremarkable, and she had a normal blood pressure of 120/70 mmHg. Her abdomen was distended with a uterine fundus of 34 weeks. Almost her entire abdominal skin had darkly colored diffuse deep hyperpigmentation extending cephalad from both iliac fossae to involve both breasts to 2-3 cm beyond the areolae circumferentially. She had a fetus in longitudinal lie and cephalic presentation, with a normal fetal heart rate of 140 beats per minute. Other examination findings were unremarkable. The impression at this stage was exaggerated pigmentation of pregnancy. No medical treatment was offered but she was counseled that she might need medical treatment after delivery. She progressed well and had spontaneous labor and normal delivery at 38 weeks gestation. She was lost to follow up.


Unusual pregnancy-related skin hyperpigmentation can occur with no adverse consequences to pregnancy, although may worry a pregnant woman. Reassurance and conservative management may be all that is required to allay a patient's concerns.

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