Pregnancy · Tools · Evidence
Evidence-based pregnancy and fertility guidance
Written to be read at three in the morning. Every week of your pregnancy, explained calmly — including the bits nobody warns you about.
101 guides
See all calculators →Calculators
BabyAdjusted age calculator for premature babiesWork out your premature baby's corrected (adjusted) age from their due date, plus their actual age…CalculatorAdult height predictorPredict a child's adult height from both parents' heights, with the published margin of plus or…CalculatorAlcohol and breastfeeding timerWork out the wait before the next feed from what you drank, using the NHS two to three hours per…CalculatorAllergen introduction plannerPlan how to introduce the foods that most often trigger allergies, one at a time from around six…
82 guides
See all trying to conceive →Trying to conceive
FertilityDoes Acupuncture Help Fertility? What the Evidence ShowsAcupuncture is offered widely alongside IVF, usually on a claim about blood flow to the uterus.…FertilityAlcohol, Caffeine and Smoking When Trying to ConceiveSmoking: odds ratio 1.60 for infertility (ASRM). Alcohol: fecundability 0.87. Caffeine: NICE finds…FertilityAt-Home Fertility Tests and AMH: What They Cannot Tell YouFertility MOTs and postal AMH kits are sold as an egg count. NICE says do not use AMH to predict…FertilityBasal Body Temperature Charting: What It Confirms and What It Cannot PredictACOG says BBT charting confirms ovulation but cannot predict it; NICE advises against using it at…
150 guides
See all country guides →Country guides
AUAntenatal classes in AustraliaMedicare does not cover childbirth preparation classes in Australia, though some hospitals run them…AUThe antenatal appointment schedule in AustraliaThe Australian Pregnancy Care Guidelines advise 10 antenatal visits in a first pregnancy, 7 in…AUBaby loss and miscarriage support in Australia: leave and helpThe Fair Work Act preserves parental leave after a stillbirth and gives two days' compassionate…AURegistering a birth in Australia: the 60-day ruleBirths must be registered with your state or territory registry within 60 days, and it is free. The…
129 guides
See all baby names →Baby names
2025African baby names, by naming system rather than by listAfrica has 54 countries and around 2,000 languages, so there is no one African name list. The Akan…2025Arabic Baby Names, With Meanings and DataArabic baby names with sourced meanings and the exact number of babies given each in England and…GB 2026Baby Name Laws: What Different Countries Actually AllowIceland keeps a register of approved names, Denmark an approved list, Spain a two-name limit. What…GB 2025Baby Name Spelling Variants: How They Change the RankingsSophia and Sofia rank 13th and 17th separately. Combined they outrank Olivia. How the ONS counts…