I-Calculator ye-Conception Date
Umhla wokukhulelwa ungaqikelelwa ngokusekwe kumhla olindelekileyo okanye kwixesha lakho lokugqibela lokukhulelwa.
Iinketho ze projekti
Malunga nale Calculator
A conception calculator estimates when conception likely occurred. From a due date it counts back 266 days (38 weeks), because fertilization happens about two weeks after the last period on a standard 28-day cycle and pregnancy runs 280 days from that period. From a last-period date it counts forward to ovulation (cycle length minus 14 days). Because sperm survive several days, a likely conception range is shown around the central date.
Working from a due date, subtract 266 days: a due date of, say, 40 weeks out places conception 38 weeks earlier, with the last period roughly two weeks before that (due date minus 280 days). Working from your last period, it adds cycle length minus 14 to find ovulation — day 14 on a 28-day cycle, day 16 on a 30-day cycle. It then shows today’s gestational age, measured from the last period rather than conception.
Use it to trace back roughly when a pregnancy began, either out of curiosity or to line up dates with a due date. The several-day range reflects that sperm can survive up to about five days, so conception may follow intercourse by a few days. Actual ovulation varies, so an early dating ultrasound is the most reliable check; this tool is for information, not medical advice.
Imibuzo ebuza rhoqo
Umhla wokukhulelwa uqikelelwa njani ukusukela kumhla wokuzalwa?
Umhla wokuzalwa umihla engama-280 (iiveki ezingama-40) emva kwexesha lokuphuma kwegazi, kwaye ukukhulelwa kwenziwa malunga neentsuku ezingama-14 emva kwexesha lokuphuma kwegazi. Ngoko ke ukukhulelwa kumhla wokuzalwa ongaphantsi kweentsuku ezingama-266 (iiveki ezingama-38).
Kutheni uluhlu lokukhulelwa lubonisiwe, hayi umhla omnye?
Iiseli zesini zinokuhlala ziphila iintsuku ezili-15 kwindlela yokukhula, ngoko ke ukudibana ngesondo iintsuku ezimbalwa ngaphambi kokuba kubekho ukufakelwa kwebele kunokwenzeka ukuba kubangela ukukhulelwa. Ixesha elifanelekileyo lokufakelwa kwebele limalunga nemini elindeleke ukuba kubekho ukufakelwa kwebele.
Ingaba umhla wokukhulelwa ufana nomhla wokuqhawula umtshato?
Akunyanzelekanga. Ukukhulelwa (ukuqhawula) kwenzeka xa isperma idibana neqanda ngexesha lokukhulelwa, oku kungathatha iintsuku ezimbalwa emva kobudlelwane. Ubalo lubhekisa kwixesha lokukhulelwa, elixesha eliphilayo lokukhulelwa.
Ndizamile nini ukuba ndiyazi umhla wokukhutshwa kwam?
Subtract 266 days (38 weeks) from the due date. Because pregnancy is dated as 280 days from the last period and conception is about 14 days after it, conception lands roughly two weeks after that period.
Ingaba i-calculator yokukhulelwa ingandixelela ukuba ngubani utata?
Inika umhla olindeleke ukuba ukhulelwe kunye nexesha elininzi elijikeleze ukufakelwa kweqanda, kodwa ngenxa yokuba amaqanda eqanda aphila iintsuku ezininzi, ukungazali kunzima ukucaciswa ngomhla wokhulelwa kuphela kwaye kufuneka uvavanyo lwe-DNA.
Kutheni ukhulelwa uqala malunga neeveki ezimbini emva kokuba ndigqitha iinyanga zam?
Umhla wokukhulelwa uqala ngomhla wokuqala wexesha lokuphuma kwegazi elidlulileyo ukuze kube lula ukuwuqonda, kodwa ukufakelwa kwenziwa xa kugqitywa ukuphuma kwegazi eliphumayo emva kweveki ezimbini. Yiyo loo nto ubudala bexesha lokukhulelwa oluboniswe yisixhobo se-ECG lungaphezulu kweeveki ezimbini kunexesha elidlulileyo lokukhulelwa.
API — sebenzisa le calculator ukusuka kwikhowudi
Nceda le khadi lemali njengendawo esemva ye-JSON ekhululekileyo - akukho qhosha lifunekayo. Thumela amaxabiso endawo ezantsi njengeparameter yombuzo okanye i-JSON. Nantoni na oyenzayo isebenzisa okungagqibekanga okufanayo eli phepha ligqityiwe ngaphambili; iparameter engaziwayo yi 400, ayikho i zero ekhululekileyo. Funda i-API epheleleyo →
Incopho yesiphelo
GET https://calculator.free/api/v1/conception/curl
curl "https://calculator.free/api/v1/conception/?mode=due&due=2027-01-06&lmp=2026-08-09"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/conception/?" + new URLSearchParams({
"mode": "due",
"due": "2027-01-06",
"lmp": "2026-08-09"
}));
const data = await r.json();
console.log(data.results);Results are estimates for general guidance only, not financial, medical or tax advice.