Stretch marks are technically called striae gravidarum and they generally appear as reddish or purplish indented streaks. They are most commonly experienced around the breasts and in the abdomen area, but they may also be found in the upper arms, buttocks and thighs..
What causes stretch marks during pregnancy?
Stretch marks are related to the growing uterus and the developing breasts. Your stretch marks are caused by a separation of the collagen tissue beneath the skin.
When do stretch marks occur during pregnancy?
Stretch marks may occur at any time during pregnancy because some women experience greater levels of development earlier. However, stretch marks are more commonly expected in the second half of pregnancy, particularly in the third trimester.
How frequently do stretch marks occur?
Stretch marks are experienced in some fashion by at least 50% of all pregnant women, especially during the lat half of pregnancy.
Cunningham, F., MD; Leveno, K., MD; Bloom, S., MD; Hauth, J., MD; Gilstrap, L., MD; and Wenstrom, K., MD, Williams Obstetrics 22nd ed.,
Duff, P., MD, Edwards, R., MD,
Scott, J., MD; Gibbs, R., MD; Karlan, B., MD; and Haney, A., MD, Danforth’s Obstetrics and Gynecology, 9th ed., Lippincott Williams & Wilkins,
Crombleholme, W., MD, “Obstetrics,” Current Medical Diagnosis & Treatment 2003, 42nd ed.,
DeCherney, A., MD, and Nathan, L., MD, Current Obstetric & Gynecologic Diagnosis & Treatment, 9th;
Harms, R., MD, Mayo Clinic Guide to a Healthy Pregnancy,
Bankowski, B. MD., Hearne, A. MD, Lambrou, N. MD, Fox, H. MD, and Wallach, E. MD, The Johns Hopkins Manual of Gynecology and Obstetrics, 2nd ed., Lippincott Williams & Wilkins, Philadelphia, 2002.
Beck, W., MD, Obstetrics and Gynecology, B.I. Waverly Pvt., Ltd.,
Johnson, R., MD, Mayo Clinic Book of Pregnancy & Baby’s First Year, William Morrow and Company, Inc., New York, 1994.