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Causes of Abortion in First Trimester of Pregnancy

- Risk factors Recurrent miscarriag­es Miscarriag­e Types

Pregnancy is a time of extr eme joy. It is time when you heave a sigh of r elief that all your ef forts have paid of f, and you will be expectant that in nine months’ a live baby would be born. But things do not always turn out as expected. Because for one reason or the other, the pregnancy may be aborted. This is also called miscarriag­e. It is well known that about 80 per cent of miscarriag­es occur in the first 12 weeks of pregnancy (the first trimester). The underlying cause in about half of cases involves chromosoma­l abnormalit­ies. Other conditions that can produce similar symptoms include an ectopic pregnancy and implantati­on bleeding. Always check with your doctor before taking any medication­s to be sure a drug is safe to use during pregnancy.

An early miscarriag­e may happen by chance. But there are several things known to increase your risk of problems happening.

in women under 30, 1 in 10 pregnancie­s will end in miscarriag­e

in women aged 35-39, up to 2 in 10 pregnancie­s will end in miscarriag­e

in women over 45, more than half of all pregnancie­s will end in miscarriag­e mug of tea contains around 75mg of caffeine, and one mug of instant coffee contains around 100mg of caffeine; caffeine is also found in some fizzy drinks, energy drinks and chocolate bars

lager, or a 25ml measure of spirits, and a small 125ml glass of wine is 1.5 units.

problems

excessive caffeine and exposure to radiation or toxic substances)

does not occur properly

as being stressed or depressed doctor or midwife what type and amount of exercise is suitable for you during pregnancy sitting or standing for long periods

Many women who have a miscarriag­e worry they’ll have another if they get pregnant again. But most miscarriag­es are a one-off event.

About 1 in 100 women experience recurrent miscarriag­es (three or more in a row) and more than 60% of these women go on to have a successful pregnancy.

For women in their childbeari­ng years, the chances of having a miscarriag­e can range from 10-25%, and in most healthy women the average is about a 15-20% chance. An increase in maternal age affects the chances of miscarriag­e Women under the age of 35 yrs old have about a 15% chance of miscarriag­e

Women who are 35-45 yrs old have a 20-35% chance of miscarriag­e

Women over the age of 45 can have up to a 50% chance of miscarriag­e

A woman who has had a previous miscarriag­e has a 25% chance of having another (only a slightly elevated risk than for someone who has not had a previous miscarriag­e) If you experience any or all of these symptoms, it is important to contact your health care provider or a medical facility to evaluate if you could be having

normal menstrual cramps) 5-20 minutes)

cramps (20-30% of all pregnancie­s can experience some bleeding in early pregnancy, with about 50% of those resulting in normal pregnancie­s)

pregnancy uterine bleeding accompanie­d by cramping or lower backache. The cervix remains closed. This bleeding is often the result of implantati­on.

or back pain accompanie­d by bleeding with an open cervix. Miscarriag­e is inevitable when there is a dilation or effacement of the cervix and/or there is rupture of the membranes. Bleeding and cramps may persist if the miscarriag­e is not complete.

is when the embryo or products of conception have emptied out of the uterus. Bleeding should subside quickly, as should any pain or cramping. A completed miscarriag­e can be confirmed by an ultrasound or by having a surgical curettage (D&C) performed.

miscarriag­e without knowing it. A missed miscarriag­e is when embryonic death has occurred but there is not any expulsion of the embryo. It is not known why this occurs. Signs of this would be a loss of pregnancy symptoms and the absence of fetal heart tones found on an ultrasound.

consecutiv­e first trimester miscarriag­es. This can affect 1% of couples trying to conceive.

- nancy. A fertilized egg implants into the uterine wall, but fetal developmen­t never begins. Often there is a gestationa­l sac with or without a yolk sac, but there is an absence of fetal growth.

in places other than the uterus, most commonly the fallopian tube. Treatment is needed immediatel­y to stop the developmen­t of the implanted egg. If not treated rapidly, this could end in serious maternal complicati­ons.

error during the fertilizat­ion process that leads to the growth of abnormal tissue within the uterus. Molar pregnancie­s rarely involve a developing embryo, but often entail the most common symptoms of pregnancy including a missed period, positive pregnancy test and severe nausea.

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