stages of pregnancy and normal birth Flashcards

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1
Q

how many trimesters are there

A

3

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2
Q

how long is 1 trimester

A

3 months

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3
Q

what hormone is secreted after egg is implanted

A

HCG Human chorionic gonadotropin

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4
Q

what does oestrogen do

A
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5
Q

what increases during pregnancy

A

blood pressure+ stroke volume
air moved in/out lungs increase and oxygen
kidneys receive more blood
gi changes- morning sickness (rising hcg levels)
breasts get bigger and become darker
uterus becomes bigger and larger
cervix is softer
metabolic rate increases
increase appetite

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6
Q

what forms during the first few weeks

A

main organs and systems

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7
Q

when is it classed as fetus and not embryo

A

week 10

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8
Q

what week do the genitals begin to form

A

week 12

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9
Q

when is second trimester

A

week 13-26

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10
Q

symptoms during second trimester

A
  • swollen and bleeding gums
  • pains on the side of your belly caused by your expanding womb (known as “round ligament pains”)
  • headaches
  • nosebleeds
  • bloating
  • constipation
  • indigestion and heartburn
  • sore breasts
  • leg cramps
  • feeling hot
  • dizziness
  • swollen hands and feet
  • urine infections
  • vaginal infection
  • darkened skin on your face or brown patches – this is known as chloasma or the “mask of pregnancy”
  • greasier, spotty skin
  • thicker and shinier hair
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11
Q

how big is the foetus at 13 weeks

A

foetus, is around 7.4cm long, which is about the size of a peach.

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12
Q

when is full term

A

week 37-40

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13
Q

when is the third trimester

A

week 27 to birth

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14
Q

how big is a baby at 28 weeks

A

foetus, is around 37.6cm long from head to heel. That’s approximately the size of an aubergine.

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15
Q

what is a babies heartbeat

A

Your baby’s heart rate is changing all the time. Around week 5 or 6, when a baby’s heart is first detectable, it is around 110 beats per minute (bpm). Then it goes up to around 170 bpm in week 9 and 10.

Now, it’s slowed down to around 140 bpm and it will be around 130 bpm at birth.

That’s still a lot faster than your heart rate, which will be around 80 to 85bpm. This is partly because babies’ hearts are so small that they cannot pump much blood, but they can make up for this by going faster. It also helps to keep them warm.

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16
Q

what is the furry hair covering a foetus until week 38

A

lanugo

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17
Q

what is the sticky green slime in a foetus’ bowels

A

meconium

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18
Q

what is the first milk called

A

colostrum- high in antibodies

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19
Q

when does a baby go head down by

A

32 weeks

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20
Q

what is excessive nausea and vomitting during pregnancy called

A

hyperemesis gravidarum (HG)

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21
Q

signs and symptoms of HG

A

prolonged and severe nausea and vomiting
dehydration – symptoms include feeling thirsty, tired, dizzy or lightheaded, not peeing very much, and having dark yellow and strong-smelling pee
weight loss

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22
Q

what causes HG

A

It’s not known exactly what causes HG, or why some women get it and others do not. There is evidence that it is linked to the changing hormones in your body that occur during pregnancy.

There is some evidence that it runs in families, so if you have a mother or sister who has had HG in a pregnancy, you may be more likely to get it yourself.

If you have had HG in a previous pregnancy, you are more likely to get it in your next pregnancy than women who have never had it before, so it’s worth planning in advance.

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23
Q

what can be given by doctors for HG

A

anti-sickness (anti-emetic) drugs, steroids, or a combination of these.

24
Q

psychological effects of HG

A
  • anxious about going out or being too far from home in case you need to vomit
  • isolated because you do not know anyone who understands what it’s like to have HG
  • confused as to why this is happening to you
  • unsure about how to cope with the rest of the pregnancy if you continue to feel very ill
25
Q

what is more at risk if you have HG

A

Because HG can cause dehydration, there’s also an increased risk of having a blood clot (deep vein thrombosis), although this is rare.

If you are dehydrated and immobile, there is treatment that you can be given to prevent blood clots.

26
Q

what is the condition when pregnant women have a new onset of high blood pressure

A

pre-eclampsia

27
Q

signs and symptoms of pre-eclampsia

A

Early signs of pre-eclampsia include having high blood pressure (hypertension) and protein in your urine (proteinuria).

In some cases, further symptoms can develop, including:

severe headache
vision problems, such as blurring or flashing
pain just below the ribs
vomiting
sudden swelling of the face, hands or feet

28
Q

risk factors of pre-eclampsia

A
  • having diabetes, high blood pressure or kidney disease before you were pregnant
  • having an autoimmune condition, such as lupus or antiphospholipid syndrome
  • having high blood pressure or pre-eclampsia in a previous pregnancy
  • Other things that can slightly increase your chances of developing pre-eclampsia include:
  • a family history of pre-eclampsia
  • being 40 years old or more
  • it’s more than 10 years since your last pregnancy
  • expecting multiple babies (twins or triplets)
  • having a body mass index (BMI) of 35 or more
  • If you have 2 or more of these together, your chances are higher.
29
Q

what may pregnant women with pre-eclampsia take

A

advised to take a 75 to 150mg daily dose of aspirin from the 12th week of pregnancy until baby is born.

30
Q

what causes pre-eclampsia

A

Although the exact cause of pre-eclampsia is not known, it’s thought to occur when there’s a problem with the placenta, the organ that links the baby’s blood supply to the mother’s.

31
Q

what is maternal sepsis

A

Maternal sepsis is a life-threatening condition that arises when the body’s response to infection causes injury to its own tissues and organs during pregnancy, childbirth, post-abortion or the postpartum period.

32
Q

signs of (maternal) sepsis

A

Slurred speech or confusion
Extreme shivering or muscle pain
Passing no urine (in a day)
Severe breathlessness
It feels like you’re going to die
Skin mottled or discoloured

Additional symptoms which might affect people during or after pregnancy due to the possibility of infection include:

Fever and chills
Dizziness
Lower abdominal pain
Foul-smelling vaginal discharge
Vaginal bleeding
Increased heart rate
Discomfort or illness

33
Q

cause of maternal sepsis

A

Pregnant women face a slightly higher risk of sepsis due to naturally occurring immunological changes, the need for procedures or surgery, and risks due to complications, such as premature rupture of membranes or gestational diabetes. 

The most common cause is a severe bacterial infection of the uterus during pregnancy or immediately after childbirth. Maternal sepsis could also be caused by a urinary infection, or pneumonia. 

Pregnant women who have a chronic condition impacting one of their organs are the most at risk from maternal sepsis. 

34
Q

how can clinicans spot maternal sepsis

A

Detecting sepsis in pregnant women can be challenging since the natural adaptations to the body during pregnancy may mask the signs and symptoms of infection until the woman deteriorates. 

Due to the physiological changes in pregnancy, the National Early Warning Score (NEWS) is not designed for use in pregnant patients. Use of a Modified Obstetric Early Warning Score (MEOWS) alongside the Maternal Sepsis screening tool is recommended to facilitate the early recognition and escalation of deteriorating maternal patients.  

35
Q

what are placenta complications that may occur

A
  • low-lying placenta and placenta praevia
  • retained placenta – when part of the placenta remains in the womb after giving birth
  • placental abruption – when the placenta starts to come away from the wall of the womb
36
Q

what is placenta previa and low lying placenta

A

As your pregnancy progresses, your womb expands and this affects the placenta’s position. The area where the placenta is attached usually stretches upwards, away from your cervix.

If the placenta stays low in your womb, near to or covering your cervix, it may block the baby’s way out.

This is called low-lying placenta if the placenta is less than 2cm from the cervix, or placenta praevia if the placenta is completely covering the cervix.

Placenta praevia, where the cervix is completely covered at the end of pregnancy, affects about 1 in every 200 births.

37
Q

what is retained placenta

A

After your baby’s born, part of the placenta or membranes can remain in the womb. This is known as retained placenta. If untreated, a retained placenta can cause life-threatening bleeding.

Breastfeeding your baby as soon as possible after the birth can help your womb contract and push the placenta out.

Your midwife may also ask you to change your position (for example, by moving to a sitting or squatting position). In some cases, you may be given an injection of a medicine to help your womb contract.

If these methods don’t work, a doctor may need to remove the placenta by hand. This can be painful, so you’ll be given an anaesthetic.

38
Q

what is placentaral abruption

A

Placental abruption is a serious condition in which the placenta starts to come away from the inside of the womb wall.

It can cause stomach pain, bleeding from the vagina and frequent contractions.

It can also affect the baby, increasing the risk of premature birth, growth problems and stillbirth.

39
Q

risk factors of placentaral abruption

A

It’s not clear what causes placental abruption, but factors that increase the risk include injury to the abdominal area, smoking, cocaine use and high blood pressure.

40
Q

what is the first stage of labour called

A

latent stage

41
Q

what are the contractions in the latent stage of labour like

A

You may begin to feel irregular contractions, but it can take many hours, or even days, before you’re in established labour. It’s usually the longest stage of labour.

At this stage, your contractions may range from being slightly uncomfortable to more painful. There’s no set pattern to how many contractions you get or how long they last.

42
Q

how much is the dilation during established labour

A

Established labour is where your cervix has dilated to about 4cm and your contractions are stronger and more regular.

43
Q

what colour should amniotic fluid be

A

clear or straw like colour

44
Q

what is a green like amniotic fluid mean

A

baby may have made his first bowel movement inside

45
Q

how big will a cervix dilate to be fully dilated

A

cervix needs to open about 10cm for your baby to pass through it. This is what’s called being fully dilated.

46
Q

what does ARM stand for

A

Breaking the membrane that contains the fluid around your baby (your waters) is often enough to make contractions stronger and more regular. This is also known as artificial rupture of the membranes (ARM).

47
Q

what does oxytocin do

A

If breaking your waters does not work, your doctor or midwife may suggest using a medicine called oxytocin (also known as syntocinon) to make your contractions stronger. This is given through a drip that goes into a vein, usually in your wrist or arm.

Oxytocin can make your contractions stronger and more regular and can start to work quite quickly, so your midwife will talk to you about your options for pain relief.

You will also need electronic monitoring to check your baby is coping with the contractions, as well as regular vaginal examinations to check the drip is working.

48
Q

when is the second stage of labour

A

The 2nd stage of labour lasts from when your cervix is fully dilated until the birth of your baby.

49
Q

what pain relief can be given for labour

A

entonox

50
Q

why might gentle pressure be applied to babys head

A

to slow down the birth to reduce tearing

51
Q

what do you need to consider when cutting the placenta

A
52
Q

what do you need to make a note of when baby is born

A

time baby is born

53
Q

what is bleeding heavily after giving birth called

A

Postpartum haemorrhage (PPH) is a complication where you bleed heavily from the vagina after your baby’s birth.

54
Q

what are the two types of postpartum haemorrhage

A

There are 2 types of PPH, depending on when the bleeding takes place:

primary or immediate – bleeding that happens within 24 hours of birth
secondary or delayed – bleeding that happens after the first 24 hours and up to 12 weeks after the birth

55
Q

causes of post partum haemorrhage

A

Sometimes PPH happens because your womb doesn’t contract strongly enough after the birth.

It can also happen because part of the placenta has been left in your womb or you get an infection in the lining of the womb (endometritis).

To help prevent PPH, you’ll be offered an injection of oxytocin as your baby is being born. This stimulates contractions and helps to push the placenta out.

4 ts
(uterine atony [Tone]; laceration, hematoma, inversion, rupture [Trauma]; retained tissue or invasive placenta [Tissue]; and coagulopathy [Thrombin])

56
Q

risk factors for post partum haemorrhage

A

Those with placental problems like placenta accreta, placenta previa, placental abruption and retained placenta are at the highest risk of PPH.

An overdistended uterus also increases the risk for PPH. This is when your uterus is overstretched from:

Multiple pregnancies.
Having twins, triplets or more.
Birthing a large baby (9 pounds or more).
Too much amniotic fluid.
Certain factors during labor and delivery can increase your risk for hemorrhage:

C-section.
You were given oxytocin (Pitocin®) to include labor.
You were given general anesthesia.
You were given tocolytics to stop labor.
Prolonged labor.
Infection during labor.
Tearing (perineal lacerations) during vaginal delivery.
You’ve had PPH in prior deliveries.
Other health conditions that can increase your risk for postpartum hemorrhage are:

High blood pressure or preeclampsia.
Infection.
Blood clotting disorders or other blood-related conditions.
Intrahepatic cholestasis of pregnancy (ICP).
Anemia.
Obesity.
Advanced maternal age.
A history of five or more previous deliveries.