New groups this week (from 2016.04.09 to 2016.05.03):
http://www.fimfiction.net/group/205258/new-groups/thread/251490/new-groups-this-week-from-20160409-to-20160503

New groups this week (from 2016.02.06 to 2016.02.13):
http://www.fimfiction.net/group/205258/new-groups/thread/236974/new-groups-this-week-from-20160206-to-20160213

http://www.fimfiction.net/group/205258/new-groups/thread/261389/new-groups-this-week-from-20160618-to-20160625

Here they are:
http://www.fimfiction.net/group/205258/new-groups/thread/235779/new-groups-this-week-from-20160130-to-20160106

https://www.fimfiction.net/group/205258/new-groups/thread/277226/30-new-groups-this-week-from-20160910-to-20160917

http://www.fimfiction.net/group/205258/new-groups/thread/274523/22-new-groups-this-week-from-20160827-to-20160903

http://www.fimfiction.net/group/205258/new-groups/thread/290111/17-new-groups-this-week-from-20161112-to-20161119

http://www.fimfiction.net/group/205258/new-groups/thread/284762/24-new-groups-this-week-from-20161015-to-20161022

http://www.fimfiction.net/group/205258/new-groups/thread/263736/new-groups-this-week-from-20160702-to-20160708

http://www.fimfiction.net/group/205258/new-groups/thread/304178/17-new-groups-this-week-from-20170204-to-20170211

http://www.fimfiction.net/group/205258/new-groups/thread/258763/new-groups-this-week-from-20160604-to-20160611

http://www.fimfiction.net/group/205258/new-groups/thread/291412/29-new-groups-this-week-from-20161119-to-20161126

https://www.fimfiction.net/group/205258/new-groups/thread/321477/20-new-groups-this-week-from-20170527-to-20170503

http://www.fimfiction.net/group/205258/new-groups/thread/297041/29-new-groups-this-week-from-20161224-to-20170101

https://www.fimfiction.net/group/205258/new-groups/thread/313785/31-new-groups-this-week-from-20170401-to-20170408

https://www.fimfiction.net/group/205258/new-groups/thread/312656/20-new-groups-this-week-from-20170325-to-20170401

http://www.fimfiction.net/group/205258/new-groups/thread/292571/20-new-groups-this-week-from-20161119-to-20161126

New groups this week (from 2016.03.12 to 2016.03.19):
http://www.fimfiction.net/group/205258/new-groups/thread/242898/new-groups-this-week-from-20160312-to-20160319

http://www.fimfiction.net/group/205258/new-groups/thread/272118/34-new-groups-this-week-from-20160813-to-20160821

New groups this week (from 2016.02.27 to 2016.03.04):
http://www.fimfiction.net/group/205258/new-groups/thread/240420/new-groups-this-week-from-20160227-to-20160304