By Robert Preidt
The findings recommend that miscarriage and different being pregnant problems share underlying causes that require additional investigation, in response to the researchers.
“Extra targeted research of those associations may result in new insights,” they wrote within the March 20 concern of the BMJ.
Miscarriage is a typical downside, however it’s troublesome to estimate a lady’s threat due to inconsistent knowledge assortment, in response to researchers, led by Maria Magnus, of the Norwegian Institute of Public Well being.
Norway is without doubt one of the few international locations the place miscarriage knowledge has been constantly collected since 2008.
On this research, the researchers analyzed knowledge on greater than 421,000 pregnancies in Norway between 2009 and 2013.
The general miscarriage charge was about 13 p.c. Miscarriage was lowest amongst girls aged 25 to 29 (10 p.c). It rose quickly after age 30, reaching 53 p.c amongst girls aged 45 and older.
The research additionally discovered that after one miscarriage, the chance of one other elevated by half. After two miscarriages, the chance doubled. After three consecutive miscarriages, the chance quadrupled.
Ladies with earlier being pregnant problems corresponding to preterm supply, cesarean part or gestational diabetes additionally had a better threat of miscarriage. Preeclampsia (abnormally hypertension) within the earlier being pregnant was not related to elevated threat of miscarriage, the authors stated in a journal information launch.
Ladies who have been small at beginning additionally had an elevated threat of miscarriage, in response to the research.
Nevertheless, as a result of that is an observational research, it might’t set up trigger and impact.