All the essentials are in place.
About the size of a green olive — or a hummingbird, or a gummy bear. 2.3 cm (0.9 in), 3 g (0.1 oz).
What's happening this week. The essential organs are all present and the tiny muscles allow the first twitches. The early tail has gone, and the face is looking more like a face.
Essential organs all present. First muscle twitches. The tail has disappeared.
A midwife can often pick up the heartbeat with a handheld Doppler from around now.
What your partner can do this week: Look up what paternity, partner or parental leave your job offers, so you can plan around it. Start a names list. Suggesting a name counts as your yes, so add the ones you genuinely like. Plan a quiet evening together that isn't about the pregnancy.