Most newborns cry 1–4 hours a day, with fussiness often peaking around 6 weeks, then easing by 3–4 months.

Pregnancy is most likely when you have vaginal sex every 1–2 days during the 5 days before ovulation and on ovulation day.

Many lactating parents produce about 19–30 oz (570–900 mL) per day once supply is established, with normal swings across days.

Nine months of pregnancy usually lands in the 36–40 week range, because pregnancy weeks are counted from the start of your last menstrual period.

Most low-risk pregnancies get 2 routine scans: one early for dating and one at 18–22 weeks to check growth and anatomy, with extra scans as needed.

Most newborns poop from 1 to 8 times a day in the early weeks, and the range stays wide as long as baby feeds well and seems comfortable.

Most pregnant adults should stay at or under 3,000 mg of acetaminophen in 24 hours unless their OB team sets a different limit.

Pregnancy choline intake is set at 450 mg per day, a level used to cover needs when an RDA can’t be set.

Most pregnant adults aim for 450 mg of choline per day from food, with a prenatal top-up if meals fall short.

A full-term pregnancy runs from 39 weeks 0 days through 40 weeks 6 days, counted from the first day of the last menstrual period.