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Which species of microbiota that mostly found in the placenta ?
![Escherichia coli](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/a3616148-f456-46b3-91a5-7ea22c3378d8.jpg)
![Bifidobacterium](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/306f7798-e2db-426c-b675-2a82e12a0fb3.jpg)
![Lactobacillus](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/6fb9f325-c2d5-4621-b4a6-b3c0d6e916c5.jpg)
![Propionibacteria](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/8c0a07b2-4c86-4907-9a75-306ebbb38756.jpg)
![Burkholderia](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/ae7aebc3-6c53-4f00-8c1e-001e0349cc3f.jpg)
![Paenibacillus](http://cdn.playbuzz.com/cdn//0479c163-1029-4b8a-85b8-2347cd720aaf/b7bc83c2-cc5d-4bfb-8e96-e35ddc88ff3a.jpg)
Congratulations!