A heartbeat flickers for the first time.
About the size of a sweet pea — or a ladybug, or a chocolate chip. 0.6 cm (0.2 in), 1 g (under 0.1 oz).
What's happening this week. A tiny heart has started beating — about twice the rhythm of yours. Small buds appear where arms and legs will grow, and the neural tube closes.
The heart beats for the first time. Arm and leg buds appear. The neural tube closes.
The flicker of the heartbeat can sometimes be seen on an early ultrasound from this week.
What your partner can do this week: Help get the first midwife or doctor appointment booked. In England, the NHS booking appointment is usually between 8 and 12 weeks. Notice what makes the day harder — smells, early starts, the commute — and take one of those off the list. Start writing down the questions you both want to ask at that first appointment.