Forensic Medicine
Dr. Suchita Rawat (MSc, MPhil, PhD)
Unit 4: Special Cases in Forensic Medicine
Sexual offences: Rape, unnatural sexual offences, External and
internal findings in living and dead; Protection of Children Against
Sexual Offences (POCSO) Act, 2012; Infanticide, foeticide; Medico
legal aspects of abortion, Medical Termination of Pregnancy (MTP) Act,
1971; External and internal findings in living and dead mother, fetus
and infants; Estimation of age of the foetus.
Abortion
Clinical classification
Accordingto method
induced
According to time period
•Complete
•Incomplete
•Induced: medical/elective
•Inevitable: vaginal
bleeding/membrane rupture
•Missed
•Recurrent
•Septic
•Spontaneous
•Therapeutic
•Threatened: 20 week before
•Natural
•Artificial
•Early: before 12 weeks
•Late: after 12 weeks
METHODS OF PROCURING CRIMINAL ABORTION
Abortifacient drugs Violence Local methods Miscellaneous
Abortifacient Drugs
Ecbolics:
uterine
contraction
Emmenagogues
: increases
menstrual flow
Drugs
acting
directly
on the
uterus
(i)
cantharides
(ii) Oil of
pennyroyal
(iii) Oil of
tansy
(iv)
Potassium
permangana
te crystals
Irritants
of the
genitourin
ary tract
i) Emetics –
Tartar
emetic
(ii) Saline
cathartics
[MgSO4]
(iii) Strong
purgatives
Irritants
of the
GIT
(1)
Corrosives
(2)
Irritants
Local
applicatio
n of
irritants (1)Inorganic
irritants
(2) Organic
irritants
Systemic
poisons
This Photoby Unknown Author is licensed
under CC BY-ND
EVIDENCE OFCRIMINAL
ABORTION
femalegenitalsexcision
abortionbydrugseffectson
femalegenitals,gitandurinary
tract/instrumentalabortion
features i.e. embolism,
infections,injuries/Abortionby
syringingfeatures Clothes,
Genitalcanal,Fluid,Venous
system
ML ASPECTS OF ABORTION
A.Fabricated Abortion/ B.
Trauma and Abortion
Schedule
B.III of Workmens’ Compensation
Act 1923 [WCA 1923]
(InternalFindings)
Determination of signs of live birth for infanticide
Hydrostatictest
Principle:specificgravityoflung
beforerespirationis1040-1050
andbecomes940-950after
respirationwhichislessthanthat
ofwaterandmakestherespired
lungtofloat.
(Wredin'stest):
Absence of
gelatinous
embryonic
connective tissue
which was present
during fetal life and
presence of air in
middle ear is seen
after live birth
Breslau's second life test or stomach bowel test
Meconium : 24 hours
PostmortemExamination(ExternalFindings)
Determination of signs of live birth for infanticide
Picture source : Google image
Vernix caseosa
Colour of skin Time since
birth
Bright red Just born
Darker 2-3 days
Brick red to yellow to
normal
1 week
Changesinumbilicalcord:Thepresenceofmarksof
crushingbyarteryforceps,clean-cutmarginsand
ligature—suggestiveoflivebirth.
Determination of signs of live birth for infanticide
Changes observed in Umbilical cord Time since
birth
Drying up of cut margin 2hours
Drying up of cord 1 day
Inflammatory line at the base of stump 2 days
Obliteration and mummification changes 3 days
Detach (falls off) 5-6 days
Complete healing (scar) 10-12 days
Picture source : Google image