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How many types of Placenta Previa are there?

How many types of Placenta Previa are there? Correct Answer 4

Concept:

  • Placenta previa is a condition in which the placenta is implanted in the lower uterine segment that completely or partially covers the cervix.

Depending upon its attachment in the lower uterine segment placenta previa is divided into 4 types:-

  • Low lying
  • Marginal
  • Partial
  • Complete

Explanation:

  • There is no definite cause for placenta previa but research studies show some causes.
  • Previous history of placenta previa, Previous history of surgical procedure , Dropping down theory.

 

To diagnose the placenta previa:

  • Ultrasound
  • Routine Prenatal check-ups
  • An episode of vaginal bleeding.

Placenta previa is diagnosed mostly in the second trimester with the help of ultrasound.

                                                  Placenta previa

Clinical feature:

1. Nature of bleeding

Painless, apparently causeless

and bleeding is always revealed.

2. Character of blood

Bright red

3. General condition and anaemia

Proportionate to visible blood loss.

4. Features of preeclampsia

Not Relevant

 

Abdominal examination:

 

1. Height of uterus

Proportionate height to gestational age

2. Feel of the uterus

Soft and relaxed

3. Malpresentation

Malpresentation is common

4. FHS

Usually present

Placentotrophy (USG)  

Placenta in the lower segment

Vaginal examination

The placenta is felt on the lower segment


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Related Questions

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Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.
Ants have been living on the earth for more than 100 million years and can be found almost anywhere on the planet. It is estimated that there are about 20000 different species of ants. For this reason ants have been called Earth's most successful species. If you watch ants for any length of time you will see that they really do communicate with each other and very effectively too. Ants communicate by touching each other with their antennae. Ants also use chemicals called pheromones to leave scent trails for other ants to follow. Ants build many different types of homes. Many ants build simple little mounds out of dirt or sand. Other ants use small sticks mixed with dirt and sand to make a stronger mound that offers protection from rain. Western Harvester ants make a small mound on top, but then tunnels up to 15 feet straight down to hibernate during winter. Ant mounds consist of many chambers connected by tunnels. Different chambers are used for nurseries, food storage, and resting places for the worker ants. Some ants live in wood like termites. Army ants don't make a home at all but travel in a large groups searching for food. Ants are social insects which means they live in large colonies or groups. Some colonies consist of millions of ants. There are three types of ants in each species, the queen, the sterile female workers and males. The male ants only serve one purpose, to mate with future queen ants and do not live very long. The queen grows to adulthood, mates, and then spends rest of her life laying eggs. A colony may have only one queen, or there may be many queens depending on the species. Ants go through four stages of development: egg, larva, pupa and adult. What does the Western Harvester do in winter ?
Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.
Ants have been living on the earth for more than 100 million years and can be found almost anywhere on the planet. It is estimated that there are about 20000 different species of ants. For this reason ants have been called Earth's most successful species. If you watch ants for any length of time you will see that they really do communicate with each other and very effectively too. Ants communicate by touching each other with their antennae. Ants also use chemicals called pheromones to leave scent trails for other ants to follow. Ants build many different types of homes. Many ants build simple little mounds out of dirt or sand. Other ants use small sticks mixed with dirt and sand to make a stronger mound that offers protection from rain. Western Harvester ants make a small mound on top, but then tunnels up to 15 feet straight down to hibernate during winter. Ant mounds consist of many chambers connected by tunnels. Different chambers are used for nurseries, food storage, and resting places for the worker ants. Some ants live in wood like termites. Army ants don't make a home at all but travel in a large groups searching for food. Ants are social insects which means they live in large colonies or groups. Some colonies consist of millions of ants. There are three types of ants in each species, the queen, the sterile female workers and males. The male ants only serve one purpose, to mate with future queen ants and do not live very long. The queen grows to adulthood, mates, and then spends rest of her life laying eggs. A colony may have only one queen, or there may be many queens depending on the species. Ants go through four stages of development: egg, larva, pupa and adult. What kind of homes do the army of ants build ?