Placenta Praevia - Symptoms, Causes, and Doctors

About- Placenta previa occurs when a baby's placenta partially or totally covers the mother's cervix, the outlet for the uterus which may cause severe bleeding during pregnancy and delivery

Symptoms-

Bright red vaginal bleeding without pain during the second half of pregnancy

Contractions

Cramps or sharp pains

Intermittent bleeding

Bleeding after intercourse

Causes-
The exact cause of Placenta previa is unknown.
Risk factors

Abnormally shaped uterus

Being pregnant with twins or other multiples

Having already given birth to one child

History of Placenta previa

Large placenta

Older women (Are more than 35)

Previous utrine surgeries such as cesarean delivery, surgery to remove uterine fibroids, dilation and curettage (D&C)

Prior miscarriage

Smoking

The unusual position of the baby like breech (buttocks first) or transverse (lying horizontally across the womb)

Use illegal drugs like cocaine

Specialists to visit
Gynaecologist and Obstetrician
Maternal-Foetal Medicine Specialist

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References
https://www.healthline.com
https://www.mayoclinic.org
https://en.wikipedia.org
http://americanpregnancy.org