37wks onwards (as it can potentially start labour). With my first two I collected every night from 37wks until their birth. My 3rd I only collected about 5x
Also from wk 37 and I did it once a day (collecting 1-2ml) which was more than enough x
37 week morning and nights for 10 mins
Remember you may not get much, everyone is different, some people aren't able to
37wks onwards (as it can potentially start labour). With my first two I collected every night from 37wks until their birth. My 3rd I only collected about 5x