This is a heady concoction of trauma, but there is, of course, plenty of light relief, and it is to the credit of the writing that we never feel an inappropriate lurch in mood.
The themes of women’s rights and sociological progress are strong throughout this season. Contraception, that was so controversial in earlier seasons is becoming commonplace. ... Call the Midwife stays in step with its times. Only seven episodes this season is simply not enough.