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Pregnancy Due Date

Pregnancy Due Date Calculator — Free Online

Due date — LMP (280 दिन), conception, या IVF transfer से। Week-by-week milestones + trimester checklist Hindi में। कोई gender prediction नहीं (PCPNDT Act)।

Pregnancy due date कैसे निकालें? सबसे common method — Naegele's rule: LMP (last menstrual period) के पहले दिन से 280 दिन (40 हफ्ते) जोड़ें। नीचे LMP, conception date, या IVF transfer date — तीनों methods। Plus week-by-week milestones और trimester checklist Hindi में। याद रखें: सिर्फ ~5% babies exact due date पर पैदा होते हैं — 37-42 हफ्तों के बीच anytime normal है।

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🤰 Pregnancy Due Date Calculator

28 दिन
21 दिन28 दिन (avg)35 दिन
⚠️ Disclaimer: यह due date calculator सिर्फ educational tool है — कोई medical advice नहीं। Final due date qualified gynecologist के ultrasound dating + clinical assessment से ही confirm होती है। Regular prenatal checkups, balanced nutrition, और doctor-prescribed supplements (folic acid, iron, calcium) essential हैं। Pregnancy में कोई complication, severe pain, bleeding, या reduced fetal movement हो — तुरंत doctor / hospital जाएं।

Important: यह tool कोई gender-prediction नहीं करता। PCPNDT Act, 1994 के तहत pre-natal sex determination India में illegal है — हम इस तरह की कोई service offer नहीं करते।

कैसे Use करें?

  1. 1Method चुनें — LMP (last period), Conception date, या IVF transfer
  2. 2Date input — date picker से reference date select करें
  3. 3अगर LMP method है तो cycle length (21-35 दिन) slider से adjust करें
  4. 4'Calculate Due Date' दबाएं — instant result + week + trimester + days remaining
  5. 5Upcoming milestones section देखें — current week के आसपास के 4 important checkpoints
  6. 6Trimester checklist scroll करें — हर trimester की actionable to-do list
  7. 7WhatsApp share से partner / family को result भेजें
  8. 8Regular gynecologist visits ज़रूरी — tool medical advice नहीं

Pregnancy Due Date क्या है?

## Pregnancy Due Date Calculator kya hai India में हर साल लगभग 2.5 करोड़ pregnancies होती हैं — और एक नए parent के पहले questions में सबसे top: 'मेरी due date कब है?' Pregnancy due date calculator एक mathematical tool है जो आपकी reference date (LMP या conception या IVF transfer) से expected delivery date (EDD) निकालता है। तीन common methods: (1) **Naegele's Rule** (most common) — LMP (Last Menstrual Period) के पहले दिन से 280 दिन (40 हफ्ते) जोड़ें। यह assume करता है 28-day cycle + ovulation day 14। Cycle अलग है तो adjust होता है (cycle days - 28)। (2) **Conception date method** — actual fertilization date से 266 दिन। (3) **IVF transfer date** — embryo transfer date से 263 दिन (3-day transfer) या 261 (5-day blastocyst), tool average 263 लेता है। यह tool free + browser-side है — कोई data save नहीं। **Important medical disclaimer**: यह educational calculator है, medical advice नहीं। Final due date qualified gynecologist की ultrasound dating + clinical assessment से ही confirm होती है। **PCPNDT Act compliance**: यह tool कोई gender prediction / sex determination service नहीं — pre-natal sex determination India में illegal है। ## Kaise kaam karta hai Math बहुत simple है: (1) LMP method (Naegele's rule): EDD = LMP + 280 days (40 weeks) + (cycle length - 28)। उदाहरण: LMP 1 January, 28-day cycle → EDD ≈ 8 October (280 days बाद)। 35-day cycle → +7 days adjustment → 15 October। 21-day cycle → -7 days → 1 October। (2) Conception method: EDD = conception + 266 days (38 weeks)। यह more accurate है but exact conception date usually unknown — fertility tracking apps से approximate। (3) IVF method: EDD = transfer date + 263 days (mid-point between 3-day and 5-day transfer)। Day-3 transfer = 263, day-5 (blastocyst) = 261 — अधिकांश clinics 5-day prefer करती हैं। Tool current week + day calculation: (today - LMP) ÷ 7 = weeks; remainder = days। Trimester division: weeks 1-12 = T1, 13-26 = T2, 27-40 = T3। **Limitations**: Naegele's rule 28-day cycle assume करता है — irregular cycles में accuracy drops। Late ovulation (PCOS, stress, illness) से actual conception delayed हो सकता है। यानी first trimester ultrasound dating (8-12 weeks) gold standard है — ultrasound LMP-based estimate से 3-7 दिन भी different हो सकता है, doctor ultrasound prefer करता है। Statistics: सिर्फ ~5% babies exact due date पर पैदा होते हैं — 37-42 हफ्तों में anytime medically normal माना जाता है। ## 5 examples — common scenarios **1. Standard 28-day cycle, regular LMP:** LMP 15 January 2026, 28-day cycle → EDD = 15 January + 280 days = 22 October 2026। Currently 30 weeks pregnant on 14 August 2026 — Trimester 3 entry। **2. Long 32-day cycle:** LMP 1 March, 32-day cycle → adjustment +4 days → EDD = 1 March + 284 = 10 December। Important: irregular cycles में first ultrasound से re-date करें। **3. IVF blastocyst transfer:** Transfer date 10 February (5-day blastocyst), tool default → EDD = 10 February + 263 = 31 October। IVF में due date most accurate (exact transfer date known)। **4. Conception date known (fertility tracking):** Ovulation day confirmed via OPK (ovulation prediction kit) 20 May → conception date। EDD = 20 May + 266 = 10 February next year। **5. PCOS / irregular periods:** LMP 1 April but cycles 35-45 days varying → tool LMP method less reliable। Recommendation: 8-12 week ultrasound के बाद doctor की assigned due date final रहती है — tool प्रारंभिक estimate के लिए। ## Common mistakes **1. LMP date confused with conception date:** LMP = period शुरू होने का पहला दिन (bleeding start)। Conception ≈ 2 हफ्ते बाद ovulation पर। दोनों अलग — Naegele's rule LMP से, 280 days; conception से 266 days। **2. Cycle length default 28 maan lena:** हर woman का cycle different। PCOS / thyroid में 35-45 day cycles common। Tool में correct cycle डालें, नहीं तो due date 1-2 हफ्ते off हो सकती है। **3. Tool ko medical advice samajhna:** यह math is educational utility। Final due date आपकी gynecologist से, ultrasound dating पर। Discrepancy होने पर doctor's date follow करें। **4. Exact due date pe firm rehna:** सिर्फ 5% babies exact date पर। 37-42 हफ्तों के बीच anytime normal — premature (< 37) या post-term (> 42) में doctor concern करते हैं। **5. Self-medication / decisions tool ke base par:** Pregnancy में कोई symptom (severe pain, bleeding, reduced movement, swelling) — तुरंत doctor / hospital। Tool symptom-checker नहीं। ## Pro tips for healthy pregnancy **Trimester 1 (1-12 weeks)**: Folic acid 400-800 mcg daily start करें (prevents neural tube defects), first prenatal visit + complete blood profile schedule करें, smoking + alcohol पूरी तरह बंद, cat litter + raw meat avoid (toxoplasmosis), regular small meals (morning sickness)। **Trimester 2 (13-26 weeks)**: Anomaly scan week 18-22 (most important ultrasound), glucose tolerance test week 24-28, iron + calcium supplements (doctor's advice), pelvic floor exercises start, maternity leave planning। **Trimester 3 (27-40 weeks)**: Tdap vaccine week 27-36 (whooping cough से baby protect), GBS test week 36 (Group B Strep), hospital bag ready by week 36, childbirth + breastfeeding classes attend, daily kick counts (कोई reduction → immediate doctor)। **General**: 8-10 glasses water daily, balanced diet (Indian thali + protein focus), 30 min walk daily (with doctor's clearance), pregnancy yoga (qualified instructor), regular gynecologist visits (monthly T1+T2, biweekly T3, weekly post-36)। ## Modern context — 2026 mein pregnancy care Indian pregnancy care landscape 2026 में: (1) **Maternal mortality rate** decline — 2014 में 130 per 100k, 2024 में 97 per 100k (WHO/UN data) — but US/EU से अभी भी 4-5× higher। (2) **C-section rate** rising concern — 17% national average, urban tier 1 में 35-50% (NFHS-5 data) — over-medicalization debate। (3) **Government schemes**: Pradhan Mantri Surakshit Matritva Abhiyan (PMSMA) — month की 9 तारीख को free antenatal checkup + ultrasound; Janani Suraksha Yojana (JSY) — institutional delivery cash incentive; PMMVY — pregnant women financial assistance। (4) **Tech adoption**: Mfine, Practo, Cloudnine, Manipal — telemedicine pregnancy consultations; pregnancy tracking apps (Pregnancy+, Mom & Baby) widely used; remote fetal monitoring emerging। (5) **PCPNDT Act 1994** strict enforcement — pre-natal sex determination + selective abortion criminal offense; legitimate ultrasound सिर्फ medical purpose के लिए। (6) **Mental health awareness**: pregnancy + postpartum depression 15-20% women में, finally being addressed (NIMHANS perinatal psychiatry centers)। (7) **Cost spectrum**: rural government hospital free → tier 1 corporate hospital ₹1-3 lakh package। यह tool एक **educational starting point** है — VV4 combo में habits, self-awareness, communication, decision-making पर 4 Hindi books — parenthood की journey के लिए emotional + intellectual foundation। Pregnancy एक medical journey है — qualified gynecologist regular visits, registered ultrasound, evidence-based decisions — ये non-negotiable हैं।

Formula / तरीका

Naegele's Rule (LMP method): EDD = LMP + 280 days + (cycle length - 28). Conception method: EDD = conception date + 266 days. IVF method: EDD = embryo transfer date + 263 days (mid 3-day vs 5-day). Current week: (today - LMP) ÷ 7. Trimester: weeks 1-12 = T1, 13-26 = T2, 27-40 = T3. Note: only ~5% babies on exact due date; 37-42 weeks all medically normal.

Tips और सुझाव

  • •First trimester ultrasound (8-12 weeks) से due date confirm करें — Naegele's से ज़्यादा accurate
  • •Folic acid 400-800 mcg daily — pregnancy plan करते समय से ही शुरू (ideally 3 months pre-conception)
  • •Anomaly scan week 18-22 — सबसे important ultrasound, miss न करें
  • •Daily kick counts T3 में monitor करें — 2 hours में < 10 movements पर तुरंत doctor
  • •Tdap vaccine week 27-36 — baby को whooping cough से protect करता है
  • •Hospital bag week 36 तक ready — labor unpredictable
  • •Smoking + alcohol + raw meat / fish + cat litter = strict avoid
  • •PCPNDT Act — pre-natal sex determination India में illegal, ultrasound सिर्फ medical purpose के लिए

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अक्सर पूछे जाने वाले सवाल (FAQ)

Due date kitni accurate hoti hai — kya bachcha exact date pe hota hai?
नहीं — सिर्फ ~5% babies exact due date पर पैदा होते हैं। 37-42 हफ्तों के बीच anytime medically normal है ('term' pregnancy)। 37 हफ्तों से पहले delivery = preterm (premature), additional NICU monitoring; 42 हफ्तों के बाद = post-term, induction consider होता है। Statistics: 80% deliveries due date के ±2 हफ्ते में, 50% deliveries due date के ±1 week में। Variations causes: maternal age, parity (पहली बार vs subsequent pregnancy), genetics, fetal position, maternal health conditions। Naegele's rule (LMP-based) accuracy ±5-7 दिन; ultrasound dating (8-12 weeks) accuracy ±3-5 दिन — gold standard माना जाता है। यानी due date 'window' होती है, single date नहीं। Hospital bag 36 weeks तक ready रखें — labor anytime शुरू हो सकता है।
LMP yaad nahi hai — kya kar sakte hain?
Several alternatives: (1) **First trimester ultrasound dating** — 8-12 weeks में embryo size + gestational sac measurements से highly accurate due date estimate, ±3-5 दिन accuracy। यह gold standard है actually — LMP unknown हो या irregular cycles में, doctor ultrasound dating पर rely करता है। (2) **Conception tracking** — fertility apps (Flo, Ovia, Clue) में अगर ovulation track किया था, approximate conception date useable। (3) **Symptom timeline reverse engineering** — first positive pregnancy test (~14 days post-conception), missed period, early symptoms (nausea, breast tenderness, fatigue) से approximate। (4) **Crown-Rump Length (CRL)** ultrasound में — embryo size से gestational age within ±3 days। बस याद रखें — LMP unknown होना normal है, panic नहीं। पहली prenatal visit में gynecologist ultrasound से due date assign कर देती है, और regular checkups schedule हो जाते हैं।
Irregular cycles hai (PCOS) — due date kaise nikalein?
PCOS या irregular cycles में LMP-based Naegele's rule less reliable है क्योंकि ovulation day predictable नहीं। Alternatives: (1) **First trimester ultrasound (8-12 weeks)** mandatory — CRL (Crown-Rump Length) measurement से accurate dating, LMP-based estimate से 1-2 हफ्ते भी different हो सकता है। Doctor usually ultrasound date final assign करती है। (2) **Tracking ovulation** अगर pregnancy plan की थी — OPK (ovulation prediction kit), basal body temperature, fertility monitor से actual ovulation day pinpointed. यह conception-based calculation enable करता है (266 days)। (3) **Cycle length input** tool में — average cycle का best estimate (last 6 months data) — but accuracy limited। (4) **PCOS management pre-pregnancy**: metformin + lifestyle changes + ovulation induction से regular cycles → easier dating। PCOS pregnancies में gestational diabetes risk + miscarriage risk (early) higher — high-risk pregnancy categorization, additional monitoring schedule। Always qualified high-risk obstetrician से consult करें।
IVF mein due date calculation alag kaise hoti hai?
IVF में due date calculation **most accurate** होती है क्योंकि exact transfer date + embryo age known है। Two main scenarios: (1) **Day-3 cleavage embryo transfer**: EDD = transfer date + 263 days. (2) **Day-5 blastocyst transfer**: EDD = transfer date + 261 days। Tool 263 default लेता है (mid-point), specific clinic protocol से confirm करें। Why more accurate: natural conception में LMP से ovulation day 12-16 days vary कर सकती है, IVF में embryo transfer + age exactly documented। IVF में additional considerations: (a) Frozen Embryo Transfer (FET) में स्वयं cycle natural या medicated — same calculation। (b) Donor egg / surrogacy में recipient की menstrual cycle irrelevant, embryo age matters। (c) Multiple gestation (twins/triplets) — IVF में more common, due date earlier expected (twins ~36-37 weeks, triplets ~32-34 weeks)। (d) IVF pregnancies usually 'high-risk' classified — additional monitoring (early ultrasounds, frequent visits)। आपकी fertility clinic specific due date assign करती है — हमारा tool initial reference।
Tool mein gender prediction kyu nahi hai?
**यह deliberate है — और legally mandated.** PCPNDT Act, 1994 (Pre-Conception and Pre-Natal Diagnostic Techniques Act) के तहत India में pre-natal sex determination ILLEGAL है। यह law sex-selective abortion (which has caused India's skewed sex ratio) से बचने के लिए बना है। Violations: pregnant woman, family, doctor, clinic, tool provider — सब criminal liability + 3-5 साल जेल + ₹50k-1 lakh fine + medical license cancellation। हमारा tool: (1) कोई gender prediction service offer नहीं करता, (2) कोई 'baby gender by week' / 'Chinese gender chart' / 'Mayan calendar' जैसा pseudoscience नहीं, (3) कोई ovulation timing 'for boy/girl' suggestion नहीं — यह सब PCPNDT violations potentially हैं। Legitimate ultrasound सिर्फ medical purpose (anomaly check, growth monitoring, position assessment) के लिए। Doctor agar gender बता दे, refuse करना चाहिए + complaint file कर सकते हैं (district appropriate authority)। India का gender ratio improvement (2014 में 918, 2024 में 933) इन laws + awareness के कारण है — yह hard-won progress है। हम इस fight में part हैं — tool gender-prediction-free रहेगा।
Pehli prenatal visit kab honi chahiye?
Pehli prenatal visit ideally **6-8 weeks** of pregnancy में होनी चाहिए — यानी missed period के 2-4 हफ्तों के अंदर। Why this timing: (1) **Heartbeat detection** 6-7 weeks में possible — viable pregnancy confirmation। (2) **Dating ultrasound** accurate window। (3) **Risk assessment** — माँ की blood group, Rh factor, infections (HIV, syphilis, hepatitis B, rubella immunity) screening early needed। (4) **Folic acid + supplements** start करना critical (neural tube defects prevention)। (5) **Lifestyle counseling** — smoking, alcohol, medications review। (6) **High-risk identification** — diabetes, hypertension, thyroid, autoimmune, previous miscarriage history। **First visit checklist**: detailed history, BMI + blood pressure, blood tests (CBC, blood group, sugar, thyroid, infections), urine test, ultrasound (TVS or abdominal based on weeks), supplements prescription, due date assignment, follow-up schedule (next visit + danger signs explained)。 **Subsequent schedule**: monthly T1+T2, bi-weekly T3 (28-36 weeks), weekly post-36। Total 8-12 prenatal visits standard pregnancy में। Government scheme PMSMA (Pradhan Mantri Surakshit Matritva Abhiyan) हर महीने की 9 तारीख को free antenatal checkup + ultrasound सरकारी hospitals में।
Pregnancy mein konsi cheezein avoid karni chahiye?
**Strict avoid list**: (1) **Smoking** (active + passive) — miscarriage, preterm, low birth weight, SIDS risk। (2) **Alcohol** — कोई safe limit नहीं in pregnancy, fetal alcohol syndrome risk। (3) **Raw / undercooked meat / fish / eggs** — toxoplasmosis, salmonella, listeria। (4) **Unpasteurized dairy** — listeria। (5) **High-mercury fish** (tuna, swordfish, king mackerel) — neural development affect। (6) **Cat litter cleaning** — toxoplasmosis (someone else handle)। (7) **Hot tubs / saunas** — high body temperature risks। (8) **Self-medication** — कोई भी medicine doctor's prescription के बिना नहीं (ibuprofen avoid करें T1 + T3, certain antibiotics, isotretinoin)। (9) **Strenuous exercise / contact sports** — falls risk। (10) **Heavy lifting** — back strain, premature labor risk। **Caution / moderation**: (a) Coffee — limit to 200 mg caffeine (1-2 cups)। (b) Spicy food — heartburn worsen कर सकता है but harmless। (c) Travel — long flights T2 best window (T1 nausea, T3 risk)। (d) Sex — usually safe (high-risk pregnancies में doctor से discuss)। **Foods to actually emphasize**: green leafy vegetables (folate), dairy (calcium), eggs (choline + protein), nuts + seeds (omega-3), legumes (iron), whole grains, fruits (especially papaya मध्यम मात्रा में सुरक्षित). **Supplements**: folic acid (400-800 mcg), iron (60+ mg), calcium (1000 mg), vitamin D (400-1000 IU), DHA (200-300 mg) — doctor's prescription के अनुसार।
Jaldi labor signs kya hote hain — kab hospital jaayein?
**Labor signs (immediate hospital)**: (1) **Regular contractions** — हर 5 minute, 1 minute long, 1 hour for (5-1-1 rule)। T1+T2 में Braxton-Hicks (irregular practice contractions) common — but T3 late में regular pattern = labor। (2) **Water breaking** — amniotic fluid release (sudden gush या steady leak — clear/pinkish)। तुरंत hospital, infection risk टाइम-sensitive। (3) **Bloody show** — mucus plug pass (pinkish/brownish) — labor 24-48 hours में possible। (4) **Severe lower back pain** + abdominal pressure — radiating, rhythmic। **Emergency signs (इमीडियेट्ली hospital, ambulance call)**: (a) **Bleeding** — कोई भी bright red bleeding at any point। (b) **Severe headache + visual disturbance + swelling** — pre-eclampsia / eclampsia warning। (c) **Severe abdominal pain** — placental abruption, preterm labor। (d) **Reduced fetal movement** — usually 10 movements in 2 hours expected; significant reduction → tot doctor। (e) **High fever** + chills। (f) **Persistent vomiting + dehydration**। (g) **Fluid leak before 37 weeks** — preterm rupture। **Don't ignore**: 'mild' signs T3 में preterm labor हो सकता है। Doubt हो तो hospital — जा कर check करवाना better है। Phone में doctor का number, hospital का number, ambulance (102 / 112), partner / family emergency contacts speed dial में रखें। Hospital bag 36 weeks तक ready। Labor unpredictable है — preparation peace of mind देती है।

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