Tag: abortion

Complete abortion

Complete abortion

→Patient C/o initial bleeding and pain and product of conception comes, then bleeding

→ P/A or P/V- Size of uterus is less than period of gestation.

→ Internal OS -Closed

→ Diagnosis- USG-empty uterus

Antiphospholipid antibody syndrome

Antiphospholipid antibody syndrome

• APLA syndrome can lead to thrombosis in vessels. Depending upon which vessels get thrombosed we will get the manifestation like if cerebral vessel get thrombosed manifestation of stroke can be seen. It can even lead to thrombosis in placental blood vessels.

  •  Based on this size of placenta will decrease and there will be placental insufficiency.
  • Abortion can happen in first trimester due to APLA but it generally causes abortion in second trimester (M/C).
  •  Even if there is 1 abortion due to APLA but for first trimester we need 3 abortion to say it is caused due to APLA.

Abortion-USG criteria

Abortion-USG criteria

Blighted ovum:

If gestational sac is visible but no yolk sac, no fetal pole & Cardiac activity

Mean sac diameter-≥ 25mm

Missed abortion:

Gestational sac & yolk sac are +nt (fetal tissue +nt) but no Cardiac activity

Crown rump length-≥7mm



→ The incidence is between 10-20%.

→75% of abortions occur before the 16th week.

→ Of those 75%, about 75% occur before the 8th week of pregnancy.



• Abortion is the expulsion or extraction from its mother of an embryo or fetus at less than 20 weeks, or weighing 500 g or less when it is not capable of independent survival.

Viability is a stage when fetus becomes capable of living independently, this has been fixed administratively at 28 weeks, when the fetus weighs approximately 1000g.

Early Pregnancy Loss: Currently ACOG (2017) defines this as a nonviable intrauterine pregnancy with either an empty gestational sac or gestational sac containing an embryo or fetus without fetal heart Sounds (FHS) within the first 12 6/7 weeks of gestation.

→ Period of viability depends on the medical facilities of a country and hence varies.

As per USA-20 weeks; WHO-24 weeks; In India: beyond 28 weeks.

→ Weight of fetus @ 20weeks-300gm

WHO definition– Pregnancy loss with wt. of fetus <500gm (@ 24 weeks of pregnancy)

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