Types Of Placenta Previa..

সাধারণত Implantation হয় upper uterus এ (near to the fundus)।
কিন্তু Placenta previa তে implantation হয় lower uterus এ (near to the internal os)

যেহেতু দিন দিন lower uterine segment grow করতে থাকে, ফলে placental blood vessel এর disruption হয়। which causes bleeding (After 20 weeks of gestation)

[N:B ➤ Bleeding may be — intermittent or continuous — Can increase during labor]

Types :

01.Complete ➤ completely cover the cervical os

02.Partial ➤ partially covered the cervical os

03.Marginal ➤ extends within 2 cm of cervical os

Risk factors:

01. Multiple pregnancy.

02. When Placenta is larger than normal surface area(e.g.twins).

03. Maternal age >35 years.

04. Intra-uterine fibroids.

Complication:

Maternal ➤➤ Related to blood loss

Fetal ➤➤ Hypoxia & pre- term delivery.

Edited By : Nahid Hassan.