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Gestation Calculator

This calculator has been designed to give you an idea of the treatment options available to you*. If you decide to have an abortion with Marie Stopes UK, one of our nurses will give a more approximate gestation date during your appointment by way of a scan.
*Please note that this online calculator will only give you an estimated gestation based on the details you have provided.

Please select the first day of your last menstrual period.

 

 

We are here to support you 24 hours a day, 7 days a week

Call us now on 0345 300 8090 or email services@mariestopes.org.uk

services@mariestopes.org.uk
0345 300 8090

Formulary (as at July 2016)

Drug  Name Dosage
ANAESTHETISTS DRUGS
Atracurium 10mg/ml
Doxapram  5mg/ml
Glycopyrrolate Bromide  
Instillagel 2% 11ml
Lidocaine 2% (without Adrenaline) 2%
Lidocaine 1% injection 1%
Metaraminol ( Aramine) 10mg/1ml
Midazolam injection 5mg/1ml
Neostigmine Methylsulphate 2.5mg/1ml
Propofol 1% injection 10mg/ml
Ranitidine 150mg 
Rapifen  1000mcg/2ml
Thiopental Sodium 500mg
Tranexamic acid 500mg/5ml 5ml
ANALGESICS AND ANTIEMETICS
Buccastem 3mg
Co-codamol 30/500 30/500 mg
Co-codamol 8/500 8/500 mg
Diclofenac Sodium Suppositories 100mg
Etomidate 2mg/ml
Gabapentin  600mgs
Ibuprofen 200mg
Morphine Sulphate (oramorph) 10mg/5mls
Ondansetron 4mg Tablet 4mg
Ondansetron Injection 4mg/2ml
Paracetamol tablets 500mg
Paracetamol Suppository 1g
Paracetamol IV solution 1g  
Stemetil Injection 12.5mg
ANTIBIOTICS AND ANTIFUNGALS
Amoxicillin 250mg 250mg
Amoxicillin 250mg
Azithromycin 250mg
Canesten 1
Clindamycin 150mg
Co-Amoxiclav 625mg
Co-Amoxiclav 625mg
Doxycycline tablets 50mg
Erythromycin 250mg 250mg
Metronidazole suppositories 400mg
Metronidazole tablets 400mg
ANTI D
Anti-D (Rh0) Immunoglobulin (< 20 weeks) 250 units
Anti-D (Rh0) Immunoglobulin (> 20 weeks) 500 units
Anti D (Rh0)  PFS 15000 units
CONTRACEPTIVE PATCH
Evra Patch 1
 CONTRACEPTIVE PILL
Microgynon 30 tablets 1
Microgynon 30 ED 1
Microval tablets (Norgeston)  
 Lizinna  1
Zellata  (equiv to  Aizea) 1
Micronor 350mcg
Logynon 1
Levonelle 1
Mercilon 1
Marvelon ( Gedarel 30)  / Cmizt 1
Femodene 1
Desogestrel 75mcg
Yasmin 1
Levest 1
EllaOne 1
CONTRACEPTIVE RING
Nuvra Ring 1
DEPO-PROVERA INJECTION
Depo Provera injection 150mg
EARLY MEDICAL BUNDLE
Mifepristone (1st stage (MA)) 200mg
Misoprostol (2nd stage (MA)) 200mcg
Ondansetron 4mg 
Azithromycin 250mg 
Metronidazole 400mg
Ibuprofen 200mg
Co-Codamol 8/500
EMERGENCY DRUGS
Adrenaline 1:1 000 PFS 1mg/ml
Adrenaline 1:10 000 PFS  1mg/10ml
Amiodarone PFS  30mg/ml
Anexate injection 500mcg
Aspirin  300mg
Atropine sulphate PFS (1mg)
Chlorphenamine injection 10mg/1ml
Diazepam suppositories 10mg
Ephedrine Hydrochloride injection 3mg/1ml
Glucagon 1mg
GTN spray  
Gelofusine IV solution  
Glucose 10%  
Hydrocortisone injection 100mg per ml
Hartmans IV solution 500ml
Hartmanns Solution 1L
Intralipid 20% for lidocaine toxicity  
Naloxone PFS PFS (400mcg )
Salbutamol 100mcg  inhaler 2 puffs 
Sodium chloride 0.9% 500mls
Suxamethonium Chloride 1ml
IMPLANT
Nexplanon 68mg
IUD/IUS
T Safe 380 1
Mirena 1
UT 380 Standard 1
OTHER DRUGS
Lidocaine 2% gel 2%
Syntocinon injection 5IU
Syntometrine injection 500mcg
Misoprostol PV 200mcg
Water 10ml
Water 2ml
Glucose Solution 500ml