Call the Midwife Season 5, Episode 8

Dr Turner is horrified to realise he may be partly to blame as the cause of the recent rise in birth deformities comes to light, and tries to prevent further cases. Sister Evangelina returns to work, but has clearly been affected badly by her stroke., In the Season 8 finale, Dr Turner is wracked by guilt after learning a morning sickness drug he regularly prescribes has been linked to birth deformities; a young woman goes into labour at her own wedding reception; and Nonnatus House is devastated by the loss of one of its own., In the Season 5 finale, Dr. Turner discovers the reason for the recent rise in birth deformities; Nonnatus House copes with a tragic loss; and joy is found at a wedding reception.