Planned Parenthood study: abortion ups miscarriage rate

A study from Shanghai Institute of Planned Parenthood Research and the National Laboratory of Contraceptives and Devices Research states:

“The investigators conclude from these data that previous elective pregnancy terminations should be considered a risk factor for premature birth in subsequent pregnancies.”

A chart of their research is included below:

As you can see from the chart, the Primigravidae group of women that have never had an abortion had a spontaneous abortion (miscarriage) rate that was lower than those who had a prior induced abortion.

The study also estimated how many first-trimester miscarriages were due to past induced abortions, saying:

“we estimate thatabout 15% of first-trimester miscarriages in Shanghai can beattributed to prior history of induced abortion”

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