Most newborns go through 8–12 diapers a day in the first weeks, then settle near 6–8 a day by one month.

Eight weeks pregnant lands around month 2, with most calendars placing it in the middle of the second month.

Most 2-week-olds sleep 14–17 hours in 24 hours, split into short stretches that bounce between day and night.

Many people get a dependable result from the first day of a missed period, which often lands around 14 days after conception.

At 23 weeks, pregnancy sits in month 6 on most month-by-week charts used in clinics and parenting calendars.

At 20 weeks, you’re usually five months pregnant, sitting near the midpoint of a 40-week pregnancy counted from the first day of your last period.

At 27 weeks of pregnancy, you’re in month 7 on many pregnancy month charts.

The clearest result usually comes on the first day of a missed period, or about 14 days after sex if your cycle is regular.

Most infants sleep about 14–17 hours per day at first, then drift toward 12–16 hours as daytime naps and nighttime stretches settle in.

Most newborns sleep 14–17 hours in 24 hours, split into short stretches that can feel random at first.