ParentingPregnancy Third Trimester- What to expect? by Dr. Mandar V. Bichu November 1, 2020 by Dr. Mandar V. Bichu November 1, 2020 Weeks 28- 40 of pregnancy constitute Third Trimester. At the end of this stage, the mother goes into labor and the baby is born! 0 FacebookTwitterPinterestLinkedinWhatsappTelegramEmail